Home / 65,891,760.66-90,930,472.29-36,122,355.54

Finding the Fourth Proportional to 65,891,760.66, 90,930,472.29 and 36,122,355.54

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Solution

The fourth proportional to 65,891,760.66, 90,930,472.29 and 36,122,355.54 is: 49,848,764.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,891,760.66 : 90,930,472.29 = 36,122,355.54 : x
  2. Step 2: Convert to fraction form
    65,891,760.66/90,930,472.29 = 36,122,355.54/x
  3. Step 3: Cross multiply
    65,891,760.66x = 90,930,472.29 × 36,122,355.54
  4. Step 4: Simplify right side
    65,891,760.66x = 3,284,622,849,479,498
  5. Step 5: Solve for x
    x = 3,284,622,849,479,498/65,891,760.66
  6. Step 6: Final answer
    x = 49,848,764.35

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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.