Home / 86,098,321.53-129,079,280.70-42,945,312.33

Finding the Fourth Proportional to 86,098,321.53, 129,079,280.70 and 42,945,312.33

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Solution

The fourth proportional to 86,098,321.53, 129,079,280.70 and 42,945,312.33 is: 64,383,949.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,098,321.53 : 129,079,280.70 = 42,945,312.33 : x
  2. Step 2: Convert to fraction form
    86,098,321.53/129,079,280.70 = 42,945,312.33/x
  3. Step 3: Cross multiply
    86,098,321.53x = 129,079,280.70 × 42,945,312.33
  4. Step 4: Simplify right side
    86,098,321.53x = 5,543,350,024,993,241
  5. Step 5: Solve for x
    x = 5,543,350,024,993,241/86,098,321.53
  6. Step 6: Final answer
    x = 64,383,949.96

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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.