Home / 99,403,361.38-137,175,331.17-54,748,476.10

Finding the Fourth Proportional to 99,403,361.38, 137,175,331.17 and 54,748,476.10

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Solution

The fourth proportional to 99,403,361.38, 137,175,331.17 and 54,748,476.10 is: 75,552,176.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,403,361.38 : 137,175,331.17 = 54,748,476.10 : x
  2. Step 2: Convert to fraction form
    99,403,361.38/137,175,331.17 = 54,748,476.10/x
  3. Step 3: Cross multiply
    99,403,361.38x = 137,175,331.17 × 54,748,476.10
  4. Step 4: Simplify right side
    99,403,361.38x = 7,510,140,340,070,330
  5. Step 5: Solve for x
    x = 7,510,140,340,070,330/99,403,361.38
  6. Step 6: Final answer
    x = 75,552,176.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.