Home / 87,000,370.69-120,063,626.72-47,845,175.62

Finding the Fourth Proportional to 87,000,370.69, 120,063,626.72 and 47,845,175.62

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Solution

The fourth proportional to 87,000,370.69, 120,063,626.72 and 47,845,175.62 is: 66,028,055.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,000,370.69 : 120,063,626.72 = 47,845,175.62 : x
  2. Step 2: Convert to fraction form
    87,000,370.69/120,063,626.72 = 47,845,175.62/x
  3. Step 3: Cross multiply
    87,000,370.69x = 120,063,626.72 × 47,845,175.62
  4. Step 4: Simplify right side
    87,000,370.69x = 5,744,465,305,753,299
  5. Step 5: Solve for x
    x = 5,744,465,305,753,299/87,000,370.69
  6. Step 6: Final answer
    x = 66,028,055.52

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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.