Home / 131,120,534.28-180,941,595.18-72,381,938.16

Finding the Fourth Proportional to 131,120,534.28, 180,941,595.18 and 72,381,938.16

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Solution

The fourth proportional to 131,120,534.28, 180,941,595.18 and 72,381,938.16 is: 99,884,456.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,120,534.28 : 180,941,595.18 = 72,381,938.16 : x
  2. Step 2: Convert to fraction form
    131,120,534.28/180,941,595.18 = 72,381,938.16/x
  3. Step 3: Cross multiply
    131,120,534.28x = 180,941,595.18 × 72,381,938.16
  4. Step 4: Simplify right side
    131,120,534.28x = 13,096,903,352,890,514
  5. Step 5: Solve for x
    x = 13,096,903,352,890,514/131,120,534.28
  6. Step 6: Final answer
    x = 99,884,456.88

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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.