Home / 65,088,912.32-89,816,761.92-38,622,704.96

Finding the Fourth Proportional to 65,088,912.32, 89,816,761.92 and 38,622,704.96

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Solution

The fourth proportional to 65,088,912.32, 89,816,761.92 and 38,622,704.96 is: 53,295,809.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,088,912.32 : 89,816,761.92 = 38,622,704.96 : x
  2. Step 2: Convert to fraction form
    65,088,912.32/89,816,761.92 = 38,622,704.96/x
  3. Step 3: Cross multiply
    65,088,912.32x = 89,816,761.92 × 38,622,704.96
  4. Step 4: Simplify right side
    65,088,912.32x = 3,468,966,296,098,723.50
  5. Step 5: Solve for x
    x = 3,468,966,296,098,723.50/65,088,912.32
  6. Step 6: Final answer
    x = 53,295,809.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.