Home / 138,035,253.66-206,840,038.41-67,924,997.34

Finding the Fourth Proportional to 138,035,253.66, 206,840,038.41 and 67,924,997.34

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Solution

The fourth proportional to 138,035,253.66, 206,840,038.41 and 67,924,997.34 is: 101,782,759.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,035,253.66 : 206,840,038.41 = 67,924,997.34 : x
  2. Step 2: Convert to fraction form
    138,035,253.66/206,840,038.41 = 67,924,997.34/x
  3. Step 3: Cross multiply
    138,035,253.66x = 206,840,038.41 × 67,924,997.34
  4. Step 4: Simplify right side
    138,035,253.66x = 14,049,609,058,804,748
  5. Step 5: Solve for x
    x = 14,049,609,058,804,748/138,035,253.66
  6. Step 6: Final answer
    x = 101,782,759.74

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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.