Home / 99,922,487.33-137,850,808.22-66,893,377.88

Finding the Fourth Proportional to 99,922,487.33, 137,850,808.22 and 66,893,377.88

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Solution

The fourth proportional to 99,922,487.33, 137,850,808.22 and 66,893,377.88 is: 92,284,594.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,922,487.33 : 137,850,808.22 = 66,893,377.88 : x
  2. Step 2: Convert to fraction form
    99,922,487.33/137,850,808.22 = 66,893,377.88/x
  3. Step 3: Cross multiply
    99,922,487.33x = 137,850,808.22 × 66,893,377.88
  4. Step 4: Simplify right side
    99,922,487.33x = 9,221,306,204,989,404
  5. Step 5: Solve for x
    x = 9,221,306,204,989,404/99,922,487.33
  6. Step 6: Final answer
    x = 92,284,594.30

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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.