Home / 69,917,139.36-96,486,064.65-40,565,948.58

Finding the Fourth Proportional to 69,917,139.36, 96,486,064.65 and 40,565,948.58

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Solution

The fourth proportional to 69,917,139.36, 96,486,064.65 and 40,565,948.58 is: 55,981,248.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,917,139.36 : 96,486,064.65 = 40,565,948.58 : x
  2. Step 2: Convert to fraction form
    69,917,139.36/96,486,064.65 = 40,565,948.58/x
  3. Step 3: Cross multiply
    69,917,139.36x = 96,486,064.65 × 40,565,948.58
  4. Step 4: Simplify right side
    69,917,139.36x = 3,914,048,737,278,456
  5. Step 5: Solve for x
    x = 3,914,048,737,278,456/69,917,139.36
  6. Step 6: Final answer
    x = 55,981,248.28

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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.