Home / 88,138,371.28-132,035,164.93-72,598,508.83

Finding the Fourth Proportional to 88,138,371.28, 132,035,164.93 and 72,598,508.83

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Solution

The fourth proportional to 88,138,371.28, 132,035,164.93 and 72,598,508.83 is: 108,755,766.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,138,371.28 : 132,035,164.93 = 72,598,508.83 : x
  2. Step 2: Convert to fraction form
    88,138,371.28/132,035,164.93 = 72,598,508.83/x
  3. Step 3: Cross multiply
    88,138,371.28x = 132,035,164.93 × 72,598,508.83
  4. Step 4: Simplify right side
    88,138,371.28x = 9,585,556,087,041,112
  5. Step 5: Solve for x
    x = 9,585,556,087,041,112/88,138,371.28
  6. Step 6: Final answer
    x = 108,755,766.05

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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.