Home / 120,198,889,034.38-180,304,132,265.04-39,522,806,300.86

Finding the Fourth Proportional to 120,198,889,034.38, 180,304,132,265.04 and 39,522,806,300.86

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Solution

The fourth proportional to 120,198,889,034.38, 180,304,132,265.04 and 39,522,806,300.86 is: 59,286,116,136.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,198,889,034.38 : 180,304,132,265.04 = 39,522,806,300.86 : x
  2. Step 2: Convert to fraction form
    120,198,889,034.38/180,304,132,265.04 = 39,522,806,300.86/x
  3. Step 3: Cross multiply
    120,198,889,034.38x = 180,304,132,265.04 × 39,522,806,300.86
  4. Step 4: Simplify right side
    120,198,889,034.38x = 7,126,125,294,755,818,504,192
  5. Step 5: Solve for x
    x = 7,126,125,294,755,818,504,192/120,198,889,034.38
  6. Step 6: Final answer
    x = 59,286,116,136.38

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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.