Home / 136,818,121.56-205,554,586.11-87,730,149.31

Finding the Fourth Proportional to 136,818,121.56, 205,554,586.11 and 87,730,149.31

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Solution

The fourth proportional to 136,818,121.56, 205,554,586.11 and 87,730,149.31 is: 131,805,160.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,818,121.56 : 205,554,586.11 = 87,730,149.31 : x
  2. Step 2: Convert to fraction form
    136,818,121.56/205,554,586.11 = 87,730,149.31/x
  3. Step 3: Cross multiply
    136,818,121.56x = 205,554,586.11 × 87,730,149.31
  4. Step 4: Simplify right side
    136,818,121.56x = 18,033,334,530,785,552
  5. Step 5: Solve for x
    x = 18,033,334,530,785,552/136,818,121.56
  6. Step 6: Final answer
    x = 131,805,160.93

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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.