Home / 65,649,469.17-90,598,351.21-35,879,464.30

Finding the Fourth Proportional to 65,649,469.17, 90,598,351.21 and 35,879,464.30

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Solution

The fourth proportional to 65,649,469.17, 90,598,351.21 and 35,879,464.30 is: 49,514,799.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,649,469.17 : 90,598,351.21 = 35,879,464.30 : x
  2. Step 2: Convert to fraction form
    65,649,469.17/90,598,351.21 = 35,879,464.30/x
  3. Step 3: Cross multiply
    65,649,469.17x = 90,598,351.21 × 35,879,464.30
  4. Step 4: Simplify right side
    65,649,469.17x = 3,250,620,307,933,573
  5. Step 5: Solve for x
    x = 3,250,620,307,933,573/65,649,469.17
  6. Step 6: Final answer
    x = 49,514,799.57

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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.