Home / 87,232,805.39-120,381,290.39-47,540,345.53

Finding the Fourth Proportional to 87,232,805.39, 120,381,290.39 and 47,540,345.53

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Solution

The fourth proportional to 87,232,805.39, 120,381,290.39 and 47,540,345.53 is: 65,605,687.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,232,805.39 : 120,381,290.39 = 47,540,345.53 : x
  2. Step 2: Convert to fraction form
    87,232,805.39/120,381,290.39 = 47,540,345.53/x
  3. Step 3: Cross multiply
    87,232,805.39x = 120,381,290.39 × 47,540,345.53
  4. Step 4: Simplify right side
    87,232,805.39x = 5,722,968,140,907,672
  5. Step 5: Solve for x
    x = 5,722,968,140,907,672/87,232,805.39
  6. Step 6: Final answer
    x = 65,605,687.16

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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.