Home / 76,896,011.55-115,344,017.33-40,454,565.15

Finding the Fourth Proportional to 76,896,011.55, 115,344,017.33 and 40,454,565.15

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Solution

The fourth proportional to 76,896,011.55, 115,344,017.33 and 40,454,565.15 is: 60,681,847.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,896,011.55 : 115,344,017.33 = 40,454,565.15 : x
  2. Step 2: Convert to fraction form
    76,896,011.55/115,344,017.33 = 40,454,565.15/x
  3. Step 3: Cross multiply
    76,896,011.55x = 115,344,017.33 × 40,454,565.15
  4. Step 4: Simplify right side
    76,896,011.55x = 4,666,192,063,536,941
  5. Step 5: Solve for x
    x = 4,666,192,063,536,941/76,896,011.55
  6. Step 6: Final answer
    x = 60,681,847.73

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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.