Home / 69,331,463.15-95,676,242.78-38,390,968.13

Finding the Fourth Proportional to 69,331,463.15, 95,676,242.78 and 38,390,968.13

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Solution

The fourth proportional to 69,331,463.15, 95,676,242.78 and 38,390,968.13 is: 52,978,884.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,331,463.15 : 95,676,242.78 = 38,390,968.13 : x
  2. Step 2: Convert to fraction form
    69,331,463.15/95,676,242.78 = 38,390,968.13/x
  3. Step 3: Cross multiply
    69,331,463.15x = 95,676,242.78 × 38,390,968.13
  4. Step 4: Simplify right side
    69,331,463.15x = 3,673,103,586,982,719
  5. Step 5: Solve for x
    x = 3,673,103,586,982,719/69,331,463.15
  6. Step 6: Final answer
    x = 52,978,884.63

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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.