Home / 137,957,857.30-206,937,533.18-40,914,405.70

Finding the Fourth Proportional to 137,957,857.30, 206,937,533.18 and 40,914,405.70

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Solution

The fourth proportional to 137,957,857.30, 206,937,533.18 and 40,914,405.70 is: 61,371,830.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,957,857.30 : 206,937,533.18 = 40,914,405.70 : x
  2. Step 2: Convert to fraction form
    137,957,857.30/206,937,533.18 = 40,914,405.70/x
  3. Step 3: Cross multiply
    137,957,857.30x = 206,937,533.18 × 40,914,405.70
  4. Step 4: Simplify right side
    137,957,857.30x = 8,466,726,186,438,324
  5. Step 5: Solve for x
    x = 8,466,726,186,438,324/137,957,857.30
  6. Step 6: Final answer
    x = 61,371,830.15

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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.