Home / 210,747,338.46-315,890,400.68-108,517,510.62

Finding the Fourth Proportional to 210,747,338.46, 315,890,400.68 and 108,517,510.62

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Solution

The fourth proportional to 210,747,338.46, 315,890,400.68 and 108,517,510.62 is: 162,657,522.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,747,338.46 : 315,890,400.68 = 108,517,510.62 : x
  2. Step 2: Convert to fraction form
    210,747,338.46/315,890,400.68 = 108,517,510.62/x
  3. Step 3: Cross multiply
    210,747,338.46x = 315,890,400.68 × 108,517,510.62
  4. Step 4: Simplify right side
    210,747,338.46x = 34,279,639,910,547,956
  5. Step 5: Solve for x
    x = 34,279,639,910,547,956/210,747,338.46
  6. Step 6: Final answer
    x = 162,657,522.33

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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.