Home / 87,791,399.37-120,875,725.91-74,534,354.96

Finding the Fourth Proportional to 87,791,399.37, 120,875,725.91 and 74,534,354.96

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Solution

The fourth proportional to 87,791,399.37, 120,875,725.91 and 74,534,354.96 is: 102,622,743.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,791,399.37 : 120,875,725.91 = 74,534,354.96 : x
  2. Step 2: Convert to fraction form
    87,791,399.37/120,875,725.91 = 74,534,354.96/x
  3. Step 3: Cross multiply
    87,791,399.37x = 120,875,725.91 × 74,534,354.96
  4. Step 4: Simplify right side
    87,791,399.37x = 9,009,394,260,605,566
  5. Step 5: Solve for x
    x = 9,009,394,260,605,566/87,791,399.37
  6. Step 6: Final answer
    x = 102,622,743.52

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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.