Home / 129,425,414.40-194,138,121.60-117,710,092.80

Finding the Fourth Proportional to 129,425,414.40, 194,138,121.60 and 117,710,092.80

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Solution

The fourth proportional to 129,425,414.40, 194,138,121.60 and 117,710,092.80 is: 176,565,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,425,414.40 : 194,138,121.60 = 117,710,092.80 : x
  2. Step 2: Convert to fraction form
    129,425,414.40/194,138,121.60 = 117,710,092.80/x
  3. Step 3: Cross multiply
    129,425,414.40x = 194,138,121.60 × 117,710,092.80
  4. Step 4: Simplify right side
    129,425,414.40x = 22,852,016,309,553,684
  5. Step 5: Solve for x
    x = 22,852,016,309,553,684/129,425,414.40
  6. Step 6: Final answer
    x = 176,565,139.20

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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.