Home / 138,303,738.80-207,491,478.24-73,554,302.24

Finding the Fourth Proportional to 138,303,738.80, 207,491,478.24 and 73,554,302.24

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Solution

The fourth proportional to 138,303,738.80, 207,491,478.24 and 73,554,302.24 is: 110,350,530.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,303,738.80 : 207,491,478.24 = 73,554,302.24 : x
  2. Step 2: Convert to fraction form
    138,303,738.80/207,491,478.24 = 73,554,302.24/x
  3. Step 3: Cross multiply
    138,303,738.80x = 207,491,478.24 × 73,554,302.24
  4. Step 4: Simplify right side
    138,303,738.80x = 15,261,890,902,689,342
  5. Step 5: Solve for x
    x = 15,261,890,902,689,342/138,303,738.80
  6. Step 6: Final answer
    x = 110,350,530.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.