Home / 137,969,676,565.40-206,954,514,848.10-75,278,345,288.60

Finding the Fourth Proportional to 137,969,676,565.40, 206,954,514,848.10 and 75,278,345,288.60

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Solution

The fourth proportional to 137,969,676,565.40, 206,954,514,848.10 and 75,278,345,288.60 is: 112,917,517,932.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,969,676,565.40 : 206,954,514,848.10 = 75,278,345,288.60 : x
  2. Step 2: Convert to fraction form
    137,969,676,565.40/206,954,514,848.10 = 75,278,345,288.60/x
  3. Step 3: Cross multiply
    137,969,676,565.40x = 206,954,514,848.10 × 75,278,345,288.60
  4. Step 4: Simplify right side
    137,969,676,565.40x = 15,579,193,427,769,969,082,368
  5. Step 5: Solve for x
    x = 15,579,193,427,769,969,082,368/137,969,676,565.40
  6. Step 6: Final answer
    x = 112,917,517,932.90

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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.