Home / 137,957,857.02-206,937,532.76-40,914,405.42

Finding the Fourth Proportional to 137,957,857.02, 206,937,532.76 and 40,914,405.42

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Solution

The fourth proportional to 137,957,857.02, 206,937,532.76 and 40,914,405.42 is: 61,371,829.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,957,857.02 : 206,937,532.76 = 40,914,405.42 : x
  2. Step 2: Convert to fraction form
    137,957,857.02/206,937,532.76 = 40,914,405.42/x
  3. Step 3: Cross multiply
    137,957,857.02x = 206,937,532.76 × 40,914,405.42
  4. Step 4: Simplify right side
    137,957,857.02x = 8,466,726,110,976,583
  5. Step 5: Solve for x
    x = 8,466,726,110,976,583/137,957,857.02
  6. Step 6: Final answer
    x = 61,371,829.73

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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.