Home / 143,861,237.67-215,738,285.94-51,719,833.08

Finding the Fourth Proportional to 143,861,237.67, 215,738,285.94 and 51,719,833.08

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Solution

The fourth proportional to 143,861,237.67, 215,738,285.94 and 51,719,833.08 is: 77,560,490.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,861,237.67 : 215,738,285.94 = 51,719,833.08 : x
  2. Step 2: Convert to fraction form
    143,861,237.67/215,738,285.94 = 51,719,833.08/x
  3. Step 3: Cross multiply
    143,861,237.67x = 215,738,285.94 × 51,719,833.08
  4. Step 4: Simplify right side
    143,861,237.67x = 11,157,948,137,782,110
  5. Step 5: Solve for x
    x = 11,157,948,137,782,110/143,861,237.67
  6. Step 6: Final answer
    x = 77,560,490.36

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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.