Home / 78,345,314.20-108,002,586-54,750,596.88

Finding the Fourth Proportional to 78,345,314.20, 108,002,586 and 54,750,596.88

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Solution

The fourth proportional to 78,345,314.20, 108,002,586 and 54,750,596.88 is: 75,476,192.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,345,314.20 : 108,002,586 = 54,750,596.88 : x
  2. Step 2: Convert to fraction form
    78,345,314.20/108,002,586 = 54,750,596.88/x
  3. Step 3: Cross multiply
    78,345,314.20x = 108,002,586 × 54,750,596.88
  4. Step 4: Simplify right side
    78,345,314.20x = 5,913,206,048,083,532
  5. Step 5: Solve for x
    x = 5,913,206,048,083,532/78,345,314.20
  6. Step 6: Final answer
    x = 75,476,192.91

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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.