Home / 87,614,643.11-120,945,436.19-54,591,208.17

Finding the Fourth Proportional to 87,614,643.11, 120,945,436.19 and 54,591,208.17

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Solution

The fourth proportional to 87,614,643.11, 120,945,436.19 and 54,591,208.17 is: 75,359,063.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,614,643.11 : 120,945,436.19 = 54,591,208.17 : x
  2. Step 2: Convert to fraction form
    87,614,643.11/120,945,436.19 = 54,591,208.17/x
  3. Step 3: Cross multiply
    87,614,643.11x = 120,945,436.19 × 54,591,208.17
  4. Step 4: Simplify right side
    87,614,643.11x = 6,602,557,483,382,058
  5. Step 5: Solve for x
    x = 6,602,557,483,382,058/87,614,643.11
  6. Step 6: Final answer
    x = 75,359,063.84

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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.