Home / 90,439,687.29-135,660,351.03-25,743,466.92

Finding the Fourth Proportional to 90,439,687.29, 135,660,351.03 and 25,743,466.92

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Solution

The fourth proportional to 90,439,687.29, 135,660,351.03 and 25,743,466.92 is: 38,615,433.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,439,687.29 : 135,660,351.03 = 25,743,466.92 : x
  2. Step 2: Convert to fraction form
    90,439,687.29/135,660,351.03 = 25,743,466.92/x
  3. Step 3: Cross multiply
    90,439,687.29x = 135,660,351.03 × 25,743,466.92
  4. Step 4: Simplify right side
    90,439,687.29x = 3,492,367,759,096,393
  5. Step 5: Solve for x
    x = 3,492,367,759,096,393/90,439,687.29
  6. Step 6: Final answer
    x = 38,615,433.82

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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.