Home / 120,198,889,033.38-180,304,132,263.54-39,522,806,299.86

Finding the Fourth Proportional to 120,198,889,033.38, 180,304,132,263.54 and 39,522,806,299.86

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Solution

The fourth proportional to 120,198,889,033.38, 180,304,132,263.54 and 39,522,806,299.86 is: 59,286,116,134.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,198,889,033.38 : 180,304,132,263.54 = 39,522,806,299.86 : x
  2. Step 2: Convert to fraction form
    120,198,889,033.38/180,304,132,263.54 = 39,522,806,299.86/x
  3. Step 3: Cross multiply
    120,198,889,033.38x = 180,304,132,263.54 × 39,522,806,299.86
  4. Step 4: Simplify right side
    120,198,889,033.38x = 7,126,125,294,516,229,373,952
  5. Step 5: Solve for x
    x = 7,126,125,294,516,229,373,952/120,198,889,033.38
  6. Step 6: Final answer
    x = 59,286,116,134.88

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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.