Home / 66,125,728.29-99,189,609.46-25,187,450.25

Finding the Fourth Proportional to 66,125,728.29, 99,189,609.46 and 25,187,450.25

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Solution

The fourth proportional to 66,125,728.29, 99,189,609.46 and 25,187,450.25 is: 37,781,562.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,125,728.29 : 99,189,609.46 = 25,187,450.25 : x
  2. Step 2: Convert to fraction form
    66,125,728.29/99,189,609.46 = 25,187,450.25/x
  3. Step 3: Cross multiply
    66,125,728.29x = 99,189,609.46 × 25,187,450.25
  4. Step 4: Simplify right side
    66,125,728.29x = 2,498,333,353,527,710.50
  5. Step 5: Solve for x
    x = 2,498,333,353,527,710.50/66,125,728.29
  6. Step 6: Final answer
    x = 37,781,562.76

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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.