Home / 115,279,384.32-172,940,032.80-54,694,546.56

Finding the Fourth Proportional to 115,279,384.32, 172,940,032.80 and 54,694,546.56

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Solution

The fourth proportional to 115,279,384.32, 172,940,032.80 and 54,694,546.56 is: 82,051,762.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,279,384.32 : 172,940,032.80 = 54,694,546.56 : x
  2. Step 2: Convert to fraction form
    115,279,384.32/172,940,032.80 = 54,694,546.56/x
  3. Step 3: Cross multiply
    115,279,384.32x = 172,940,032.80 × 54,694,546.56
  4. Step 4: Simplify right side
    115,279,384.32x = 9,458,876,676,067,528
  5. Step 5: Solve for x
    x = 9,458,876,676,067,528/115,279,384.32
  6. Step 6: Final answer
    x = 82,051,762.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.