Home / 51,253,864.76-70,730,287.31-28,931,550.43

Finding the Fourth Proportional to 51,253,864.76, 70,730,287.31 and 28,931,550.43

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Solution

The fourth proportional to 51,253,864.76, 70,730,287.31 and 28,931,550.43 is: 39,925,513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,253,864.76 : 70,730,287.31 = 28,931,550.43 : x
  2. Step 2: Convert to fraction form
    51,253,864.76/70,730,287.31 = 28,931,550.43/x
  3. Step 3: Cross multiply
    51,253,864.76x = 70,730,287.31 × 28,931,550.43
  4. Step 4: Simplify right side
    51,253,864.76x = 2,046,336,874,092,996.50
  5. Step 5: Solve for x
    x = 2,046,336,874,092,996.50/51,253,864.76
  6. Step 6: Final answer
    x = 39,925,513.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.