Home / 138,025,184.10-206,861,941.35-73,359,968.10

Finding the Fourth Proportional to 138,025,184.10, 206,861,941.35 and 73,359,968.10

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Solution

The fourth proportional to 138,025,184.10, 206,861,941.35 and 73,359,968.10 is: 109,946,496.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,025,184.10 : 206,861,941.35 = 73,359,968.10 : x
  2. Step 2: Convert to fraction form
    138,025,184.10/206,861,941.35 = 73,359,968.10/x
  3. Step 3: Cross multiply
    138,025,184.10x = 206,861,941.35 × 73,359,968.10
  4. Step 4: Simplify right side
    138,025,184.10x = 15,175,385,418,540,070
  5. Step 5: Solve for x
    x = 15,175,385,418,540,070/138,025,184.10
  6. Step 6: Final answer
    x = 109,946,496.49

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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.