Home / 42,604,265.40-63,906,398.10-28,999,375.80

Finding the Fourth Proportional to 42,604,265.40, 63,906,398.10 and 28,999,375.80

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Solution

The fourth proportional to 42,604,265.40, 63,906,398.10 and 28,999,375.80 is: 43,499,063.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,604,265.40 : 63,906,398.10 = 28,999,375.80 : x
  2. Step 2: Convert to fraction form
    42,604,265.40/63,906,398.10 = 28,999,375.80/x
  3. Step 3: Cross multiply
    42,604,265.40x = 63,906,398.10 × 28,999,375.80
  4. Step 4: Simplify right side
    42,604,265.40x = 1,853,245,654,526,306
  5. Step 5: Solve for x
    x = 1,853,245,654,526,306/42,604,265.40
  6. Step 6: Final answer
    x = 43,499,063.70

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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.