Home / 66,324,675.40-99,561,662.70-51,245,456.20

Finding the Fourth Proportional to 66,324,675.40, 99,561,662.70 and 51,245,456.20

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Solution

The fourth proportional to 66,324,675.40, 99,561,662.70 and 51,245,456.20 is: 76,925,861.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,324,675.40 : 99,561,662.70 = 51,245,456.20 : x
  2. Step 2: Convert to fraction form
    66,324,675.40/99,561,662.70 = 51,245,456.20/x
  3. Step 3: Cross multiply
    66,324,675.40x = 99,561,662.70 × 51,245,456.20
  4. Step 4: Simplify right side
    66,324,675.40x = 5,102,082,825,092,024
  5. Step 5: Solve for x
    x = 5,102,082,825,092,024/66,324,675.40
  6. Step 6: Final answer
    x = 76,925,861.97

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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.