Home / 71,053,170.13-98,053,670.02-38,458,122.13

Finding the Fourth Proportional to 71,053,170.13, 98,053,670.02 and 38,458,122.13

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Solution

The fourth proportional to 71,053,170.13, 98,053,670.02 and 38,458,122.13 is: 53,072,368.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,053,170.13 : 98,053,670.02 = 38,458,122.13 : x
  2. Step 2: Convert to fraction form
    71,053,170.13/98,053,670.02 = 38,458,122.13/x
  3. Step 3: Cross multiply
    71,053,170.13x = 98,053,670.02 × 38,458,122.13
  4. Step 4: Simplify right side
    71,053,170.13x = 3,770,960,016,433,611
  5. Step 5: Solve for x
    x = 3,770,960,016,433,611/71,053,170.13
  6. Step 6: Final answer
    x = 53,072,368.34

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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.