Home / 275,592,422.40-413,388,633.60-71,120,497.65

Finding the Fourth Proportional to 275,592,422.40, 413,388,633.60 and 71,120,497.65

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Solution

The fourth proportional to 275,592,422.40, 413,388,633.60 and 71,120,497.65 is: 106,680,746.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,592,422.40 : 413,388,633.60 = 71,120,497.65 : x
  2. Step 2: Convert to fraction form
    275,592,422.40/413,388,633.60 = 71,120,497.65/x
  3. Step 3: Cross multiply
    275,592,422.40x = 413,388,633.60 × 71,120,497.65
  4. Step 4: Simplify right side
    275,592,422.40x = 29,400,405,344,485,516
  5. Step 5: Solve for x
    x = 29,400,405,344,485,516/275,592,422.40
  6. Step 6: Final answer
    x = 106,680,746.48

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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.