Home / 161,803,008,096.90-242,704,512,145.35-83,438,844,000.90

Finding the Fourth Proportional to 161,803,008,096.90, 242,704,512,145.35 and 83,438,844,000.90

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Solution

The fourth proportional to 161,803,008,096.90, 242,704,512,145.35 and 83,438,844,000.90 is: 125,158,266,001.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,803,008,096.90 : 242,704,512,145.35 = 83,438,844,000.90 : x
  2. Step 2: Convert to fraction form
    161,803,008,096.90/242,704,512,145.35 = 83,438,844,000.90/x
  3. Step 3: Cross multiply
    161,803,008,096.90x = 242,704,512,145.35 × 83,438,844,000.90
  4. Step 4: Simplify right side
    161,803,008,096.90x = 20,250,983,927,210,397,663,232
  5. Step 5: Solve for x
    x = 20,250,983,927,210,397,663,232/161,803,008,096.90
  6. Step 6: Final answer
    x = 125,158,266,001.35

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Double scale
Find fourth proportional to 161,803,008,097.90, 242,704,512,146.85 and 83,438,844,001.90
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.