Home / 161,697,004.90-242,556,004.95-85,169,500.90

Finding the Fourth Proportional to 161,697,004.90, 242,556,004.95 and 85,169,500.90

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Solution

The fourth proportional to 161,697,004.90, 242,556,004.95 and 85,169,500.90 is: 127,759,780.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,697,004.90 : 242,556,004.95 = 85,169,500.90 : x
  2. Step 2: Convert to fraction form
    161,697,004.90/242,556,004.95 = 85,169,500.90/x
  3. Step 3: Cross multiply
    161,697,004.90x = 242,556,004.95 × 85,169,500.90
  4. Step 4: Simplify right side
    161,697,004.90x = 20,658,373,881,889,428
  5. Step 5: Solve for x
    x = 20,658,373,881,889,428/161,697,004.90
  6. Step 6: Final answer
    x = 127,759,780.68

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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.