Home / 88,131,298.40-132,112,966.80-68,689,743.20

Finding the Fourth Proportional to 88,131,298.40, 132,112,966.80 and 68,689,743.20

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Solution

The fourth proportional to 88,131,298.40, 132,112,966.80 and 68,689,743.20 is: 102,969,159.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,131,298.40 : 132,112,966.80 = 68,689,743.20 : x
  2. Step 2: Convert to fraction form
    88,131,298.40/132,112,966.80 = 68,689,743.20/x
  3. Step 3: Cross multiply
    88,131,298.40x = 132,112,966.80 × 68,689,743.20
  4. Step 4: Simplify right side
    88,131,298.40x = 9,074,805,762,882,126
  5. Step 5: Solve for x
    x = 9,074,805,762,882,126/88,131,298.40
  6. Step 6: Final answer
    x = 102,969,159.97

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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.