Home / 78,593,109.39-117,337,058.42-60,052,018.65

Finding the Fourth Proportional to 78,593,109.39, 117,337,058.42 and 60,052,018.65

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Solution

The fourth proportional to 78,593,109.39, 117,337,058.42 and 60,052,018.65 is: 89,655,788.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,593,109.39 : 117,337,058.42 = 60,052,018.65 : x
  2. Step 2: Convert to fraction form
    78,593,109.39/117,337,058.42 = 60,052,018.65/x
  3. Step 3: Cross multiply
    78,593,109.39x = 117,337,058.42 × 60,052,018.65
  4. Step 4: Simplify right side
    78,593,109.39x = 7,046,327,220,273,720
  5. Step 5: Solve for x
    x = 7,046,327,220,273,720/78,593,109.39
  6. Step 6: Final answer
    x = 89,655,788.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.