Home / 42,207,863.16-62,956,926.69-38,333,067.78

Finding the Fourth Proportional to 42,207,863.16, 62,956,926.69 and 38,333,067.78

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Solution

The fourth proportional to 42,207,863.16, 62,956,926.69 and 38,333,067.78 is: 57,177,311.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,207,863.16 : 62,956,926.69 = 38,333,067.78 : x
  2. Step 2: Convert to fraction form
    42,207,863.16/62,956,926.69 = 38,333,067.78/x
  3. Step 3: Cross multiply
    42,207,863.16x = 62,956,926.69 × 38,333,067.78
  4. Step 4: Simplify right side
    42,207,863.16x = 2,413,332,138,028,261
  5. Step 5: Solve for x
    x = 2,413,332,138,028,261/42,207,863.16
  6. Step 6: Final answer
    x = 57,177,311.46

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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.