Home / 88,717,387.20-132,877,015.20-72,792,139.20

Finding the Fourth Proportional to 88,717,387.20, 132,877,015.20 and 72,792,139.20

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Solution

The fourth proportional to 88,717,387.20, 132,877,015.20 and 72,792,139.20 is: 109,024,876.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,717,387.20 : 132,877,015.20 = 72,792,139.20 : x
  2. Step 2: Convert to fraction form
    88,717,387.20/132,877,015.20 = 72,792,139.20/x
  3. Step 3: Cross multiply
    88,717,387.20x = 132,877,015.20 × 72,792,139.20
  4. Step 4: Simplify right side
    88,717,387.20x = 9,672,402,186,918,916
  5. Step 5: Solve for x
    x = 9,672,402,186,918,916/88,717,387.20
  6. Step 6: Final answer
    x = 109,024,876.55

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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.