Home / 161,803,008,095.40-242,704,512,143.10-83,438,843,999.40

Finding the Fourth Proportional to 161,803,008,095.40, 242,704,512,143.10 and 83,438,843,999.40

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Solution

The fourth proportional to 161,803,008,095.40, 242,704,512,143.10 and 83,438,843,999.40 is: 125,158,265,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,803,008,095.40 : 242,704,512,143.10 = 83,438,843,999.40 : x
  2. Step 2: Convert to fraction form
    161,803,008,095.40/242,704,512,143.10 = 83,438,843,999.40/x
  3. Step 3: Cross multiply
    161,803,008,095.40x = 242,704,512,143.10 × 83,438,843,999.40
  4. Step 4: Simplify right side
    161,803,008,095.40x = 20,250,983,926,658,603,417,600
  5. Step 5: Solve for x
    x = 20,250,983,926,658,603,417,600/161,803,008,095.40
  6. Step 6: Final answer
    x = 125,158,265,999.10

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Double scale
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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.