Home / 71,938,456.48-99,274,999.56-38,898,626.68

Finding the Fourth Proportional to 71,938,456.48, 99,274,999.56 and 38,898,626.68

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Solution

The fourth proportional to 71,938,456.48, 99,274,999.56 and 38,898,626.68 is: 53,680,066.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,938,456.48 : 99,274,999.56 = 38,898,626.68 : x
  2. Step 2: Convert to fraction form
    71,938,456.48/99,274,999.56 = 38,898,626.68/x
  3. Step 3: Cross multiply
    71,938,456.48x = 99,274,999.56 × 38,898,626.68
  4. Step 4: Simplify right side
    71,938,456.48x = 3,861,661,146,541,604.50
  5. Step 5: Solve for x
    x = 3,861,661,146,541,604.50/71,938,456.48
  6. Step 6: Final answer
    x = 53,680,066.76

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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.