Home / 95,428,929.20-142,975,432.20-81,992,001.20

Finding the Fourth Proportional to 95,428,929.20, 142,975,432.20 and 81,992,001.20

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Solution

The fourth proportional to 95,428,929.20, 142,975,432.20 and 81,992,001.20 is: 122,843,690.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,428,929.20 : 142,975,432.20 = 81,992,001.20 : x
  2. Step 2: Convert to fraction form
    95,428,929.20/142,975,432.20 = 81,992,001.20/x
  3. Step 3: Cross multiply
    95,428,929.20x = 142,975,432.20 × 81,992,001.20
  4. Step 4: Simplify right side
    95,428,929.20x = 11,722,841,808,512,918
  5. Step 5: Solve for x
    x = 11,722,841,808,512,918/95,428,929.20
  6. Step 6: Final answer
    x = 122,843,690.13

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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.