Home / 65,891,040.65-90,929,479.20-36,121,635.83

Finding the Fourth Proportional to 65,891,040.65, 90,929,479.20 and 36,121,635.83

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Solution

The fourth proportional to 65,891,040.65, 90,929,479.20 and 36,121,635.83 is: 49,847,771.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,891,040.65 : 90,929,479.20 = 36,121,635.83 : x
  2. Step 2: Convert to fraction form
    65,891,040.65/90,929,479.20 = 36,121,635.83/x
  3. Step 3: Cross multiply
    65,891,040.65x = 90,929,479.20 × 36,121,635.83
  4. Step 4: Simplify right side
    65,891,040.65x = 3,284,521,533,965,828
  5. Step 5: Solve for x
    x = 3,284,521,533,965,828/65,891,040.65
  6. Step 6: Final answer
    x = 49,847,771.44

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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.