Home / 142,642,309,785.18-196,846,514,345.20-77,536,737,079.62

Finding the Fourth Proportional to 142,642,309,785.18, 196,846,514,345.20 and 77,536,737,079.62

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Solution

The fourth proportional to 142,642,309,785.18, 196,846,514,345.20 and 77,536,737,079.62 is: 107,000,766,117.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,642,309,785.18 : 196,846,514,345.20 = 77,536,737,079.62 : x
  2. Step 2: Convert to fraction form
    142,642,309,785.18/196,846,514,345.20 = 77,536,737,079.62/x
  3. Step 3: Cross multiply
    142,642,309,785.18x = 196,846,514,345.20 × 77,536,737,079.62
  4. Step 4: Simplify right side
    142,642,309,785.18x = 15,262,836,427,823,419,228,160
  5. Step 5: Solve for x
    x = 15,262,836,427,823,419,228,160/142,642,309,785.18
  6. Step 6: Final answer
    x = 107,000,766,117.78

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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.