Home / 68,893,565.91-103,324,023.70-19,707,902.76

Finding the Fourth Proportional to 68,893,565.91, 103,324,023.70 and 19,707,902.76

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Solution

The fourth proportional to 68,893,565.91, 103,324,023.70 and 19,707,902.76 is: 29,557,184.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,893,565.91 : 103,324,023.70 = 19,707,902.76 : x
  2. Step 2: Convert to fraction form
    68,893,565.91/103,324,023.70 = 19,707,902.76/x
  3. Step 3: Cross multiply
    68,893,565.91x = 103,324,023.70 × 19,707,902.76
  4. Step 4: Simplify right side
    68,893,565.91x = 2,036,299,811,851,535.75
  5. Step 5: Solve for x
    x = 2,036,299,811,851,535.75/68,893,565.91
  6. Step 6: Final answer
    x = 29,557,184.11

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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.