Home / 138,175,680.14-207,335,252.00-56,354,586.38

Finding the Fourth Proportional to 138,175,680.14, 207,335,252.00 and 56,354,586.38

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Solution

The fourth proportional to 138,175,680.14, 207,335,252.00 and 56,354,586.38 is: 84,561,135.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,175,680.14 : 207,335,252.00 = 56,354,586.38 : x
  2. Step 2: Convert to fraction form
    138,175,680.14/207,335,252.00 = 56,354,586.38/x
  3. Step 3: Cross multiply
    138,175,680.14x = 207,335,252.00 × 56,354,586.38
  4. Step 4: Simplify right side
    138,175,680.14x = 11,684,292,368,171,296
  5. Step 5: Solve for x
    x = 11,684,292,368,171,296/138,175,680.14
  6. Step 6: Final answer
    x = 84,561,135.19

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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.