Home / 247,344,001.10-371,016,001.65-156,868,685.90

Finding the Fourth Proportional to 247,344,001.10, 371,016,001.65 and 156,868,685.90

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Solution

The fourth proportional to 247,344,001.10, 371,016,001.65 and 156,868,685.90 is: 235,303,028.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,344,001.10 : 371,016,001.65 = 156,868,685.90 : x
  2. Step 2: Convert to fraction form
    247,344,001.10/371,016,001.65 = 156,868,685.90/x
  3. Step 3: Cross multiply
    247,344,001.10x = 371,016,001.65 × 156,868,685.90
  4. Step 4: Simplify right side
    247,344,001.10x = 58,200,792,626,707,728
  5. Step 5: Solve for x
    x = 58,200,792,626,707,728/247,344,001.10
  6. Step 6: Final answer
    x = 235,303,028.85

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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.