Home / 71,132,219.88-98,162,934.66-38,537,171.88

Finding the Fourth Proportional to 71,132,219.88, 98,162,934.66 and 38,537,171.88

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Solution

The fourth proportional to 71,132,219.88, 98,162,934.66 and 38,537,171.88 is: 53,181,552.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,132,219.88 : 98,162,934.66 = 38,537,171.88 : x
  2. Step 2: Convert to fraction form
    71,132,219.88/98,162,934.66 = 38,537,171.88/x
  3. Step 3: Cross multiply
    71,132,219.88x = 98,162,934.66 × 38,537,171.88
  4. Step 4: Simplify right side
    71,132,219.88x = 3,782,921,885,237,629.50
  5. Step 5: Solve for x
    x = 3,782,921,885,237,629.50/71,132,219.88
  6. Step 6: Final answer
    x = 53,181,552.49

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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.