Home / 71,132,220.88-98,162,936.04-38,537,172.88

Finding the Fourth Proportional to 71,132,220.88, 98,162,936.04 and 38,537,172.88

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Solution

The fourth proportional to 71,132,220.88, 98,162,936.04 and 38,537,172.88 is: 53,181,553.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,132,220.88 : 98,162,936.04 = 38,537,172.88 : x
  2. Step 2: Convert to fraction form
    71,132,220.88/98,162,936.04 = 38,537,172.88/x
  3. Step 3: Cross multiply
    71,132,220.88x = 98,162,936.04 × 38,537,172.88
  4. Step 4: Simplify right side
    71,132,220.88x = 3,782,922,036,581,863
  5. Step 5: Solve for x
    x = 3,782,922,036,581,863/71,132,220.88
  6. Step 6: Final answer
    x = 53,181,553.87

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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.