Home / 124,438,387.39-186,666,549.15-47,761,415.61

Finding the Fourth Proportional to 124,438,387.39, 186,666,549.15 and 47,761,415.61

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Solution

The fourth proportional to 124,438,387.39, 186,666,549.15 and 47,761,415.61 is: 71,645,565.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,438,387.39 : 186,666,549.15 = 47,761,415.61 : x
  2. Step 2: Convert to fraction form
    124,438,387.39/186,666,549.15 = 47,761,415.61/x
  3. Step 3: Cross multiply
    124,438,387.39x = 186,666,549.15 × 47,761,415.61
  4. Step 4: Simplify right side
    124,438,387.39x = 8,915,458,633,647,851
  5. Step 5: Solve for x
    x = 8,915,458,633,647,851/124,438,387.39
  6. Step 6: Final answer
    x = 71,645,565.49

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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.