Home / 68,971,873.86-95,145,565.92-42,856,469.46

Finding the Fourth Proportional to 68,971,873.86, 95,145,565.92 and 42,856,469.46

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Solution

The fourth proportional to 68,971,873.86, 95,145,565.92 and 42,856,469.46 is: 59,119,794.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,971,873.86 : 95,145,565.92 = 42,856,469.46 : x
  2. Step 2: Convert to fraction form
    68,971,873.86/95,145,565.92 = 42,856,469.46/x
  3. Step 3: Cross multiply
    68,971,873.86x = 95,145,565.92 × 42,856,469.46
  4. Step 4: Simplify right side
    68,971,873.86x = 4,077,603,040,104,897
  5. Step 5: Solve for x
    x = 4,077,603,040,104,897/68,971,873.86
  6. Step 6: Final answer
    x = 59,119,794.95

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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.