Home / 138,035,256.66-206,840,042.91-67,925,000.34

Finding the Fourth Proportional to 138,035,256.66, 206,840,042.91 and 67,925,000.34

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Solution

The fourth proportional to 138,035,256.66, 206,840,042.91 and 67,925,000.34 is: 101,782,764.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,035,256.66 : 206,840,042.91 = 67,925,000.34 : x
  2. Step 2: Convert to fraction form
    138,035,256.66/206,840,042.91 = 67,925,000.34/x
  3. Step 3: Cross multiply
    138,035,256.66x = 206,840,042.91 × 67,925,000.34
  4. Step 4: Simplify right side
    138,035,256.66x = 14,049,609,984,987,366
  5. Step 5: Solve for x
    x = 14,049,609,984,987,366/138,035,256.66
  6. Step 6: Final answer
    x = 101,782,764.24

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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.