Home / 99,613,463.85-137,414,302.07-81,049,362.21

Finding the Fourth Proportional to 99,613,463.85, 137,414,302.07 and 81,049,362.21

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Solution

The fourth proportional to 99,613,463.85, 137,414,302.07 and 81,049,362.21 is: 111,805,584.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,613,463.85 : 137,414,302.07 = 81,049,362.21 : x
  2. Step 2: Convert to fraction form
    99,613,463.85/137,414,302.07 = 81,049,362.21/x
  3. Step 3: Cross multiply
    99,613,463.85x = 137,414,302.07 × 81,049,362.21
  4. Step 4: Simplify right side
    99,613,463.85x = 11,137,341,540,900,534
  5. Step 5: Solve for x
    x = 11,137,341,540,900,534/99,613,463.85
  6. Step 6: Final answer
    x = 111,805,584.41

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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.