Home / 210,747,337.46-315,890,399.18-108,517,509.62

Finding the Fourth Proportional to 210,747,337.46, 315,890,399.18 and 108,517,509.62

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Solution

The fourth proportional to 210,747,337.46, 315,890,399.18 and 108,517,509.62 is: 162,657,520.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,747,337.46 : 315,890,399.18 = 108,517,509.62 : x
  2. Step 2: Convert to fraction form
    210,747,337.46/315,890,399.18 = 108,517,509.62/x
  3. Step 3: Cross multiply
    210,747,337.46x = 315,890,399.18 × 108,517,509.62
  4. Step 4: Simplify right side
    210,747,337.46x = 34,279,639,431,881,292
  5. Step 5: Solve for x
    x = 34,279,639,431,881,292/210,747,337.46
  6. Step 6: Final answer
    x = 162,657,520.83

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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.