Home / 108,448,620.39-162,672,575.75-39,361,331.85

Finding the Fourth Proportional to 108,448,620.39, 162,672,575.75 and 39,361,331.85

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Solution

The fourth proportional to 108,448,620.39, 162,672,575.75 and 39,361,331.85 is: 59,041,868.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,448,620.39 : 162,672,575.75 = 39,361,331.85 : x
  2. Step 2: Convert to fraction form
    108,448,620.39/162,672,575.75 = 39,361,331.85/x
  3. Step 3: Cross multiply
    108,448,620.39x = 162,672,575.75 × 39,361,331.85
  4. Step 4: Simplify right side
    108,448,620.39x = 6,403,009,236,793,206
  5. Step 5: Solve for x
    x = 6,403,009,236,793,206/108,448,620.39
  6. Step 6: Final answer
    x = 59,041,868.99

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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.