Home / 106,458,781.52-146,885,195.40-62,382,115.28

Finding the Fourth Proportional to 106,458,781.52, 146,885,195.40 and 62,382,115.28

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Solution

The fourth proportional to 106,458,781.52, 146,885,195.40 and 62,382,115.28 is: 86,070,956.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,458,781.52 : 146,885,195.40 = 62,382,115.28 : x
  2. Step 2: Convert to fraction form
    106,458,781.52/146,885,195.40 = 62,382,115.28/x
  3. Step 3: Cross multiply
    106,458,781.52x = 146,885,195.40 × 62,382,115.28
  4. Step 4: Simplify right side
    106,458,781.52x = 9,163,009,192,368,126
  5. Step 5: Solve for x
    x = 9,163,009,192,368,126/106,458,781.52
  6. Step 6: Final answer
    x = 86,070,956.87

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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.