Home / 71,132,023.80-98,162,357.13-39,771,190.35

Finding the Fourth Proportional to 71,132,023.80, 98,162,357.13 and 39,771,190.35

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Solution

The fourth proportional to 71,132,023.80, 98,162,357.13 and 39,771,190.35 is: 54,884,334.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,132,023.80 : 98,162,357.13 = 39,771,190.35 : x
  2. Step 2: Convert to fraction form
    71,132,023.80/98,162,357.13 = 39,771,190.35/x
  3. Step 3: Cross multiply
    71,132,023.80x = 98,162,357.13 × 39,771,190.35
  4. Step 4: Simplify right side
    71,132,023.80x = 3,904,033,790,621,909.50
  5. Step 5: Solve for x
    x = 3,904,033,790,621,909.50/71,132,023.80
  6. Step 6: Final answer
    x = 54,884,334.54

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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.