Home / 84,397,922.10-126,591,284.43-38,328,854.58

Finding the Fourth Proportional to 84,397,922.10, 126,591,284.43 and 38,328,854.58

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Solution

The fourth proportional to 84,397,922.10, 126,591,284.43 and 38,328,854.58 is: 57,490,739.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,397,922.10 : 126,591,284.43 = 38,328,854.58 : x
  2. Step 2: Convert to fraction form
    84,397,922.10/126,591,284.43 = 38,328,854.58/x
  3. Step 3: Cross multiply
    84,397,922.10x = 126,591,284.43 × 38,328,854.58
  4. Step 4: Simplify right side
    84,397,922.10x = 4,852,098,932,012,888
  5. Step 5: Solve for x
    x = 4,852,098,932,012,888/84,397,922.10
  6. Step 6: Final answer
    x = 57,490,739.24

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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.