Home / 149,469,104.28-206,267,492.32-83,389,612.76

Finding the Fourth Proportional to 149,469,104.28, 206,267,492.32 and 83,389,612.76

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Solution

The fourth proportional to 149,469,104.28, 206,267,492.32 and 83,389,612.76 is: 115,077,737.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,469,104.28 : 206,267,492.32 = 83,389,612.76 : x
  2. Step 2: Convert to fraction form
    149,469,104.28/206,267,492.32 = 83,389,612.76/x
  3. Step 3: Cross multiply
    149,469,104.28x = 206,267,492.32 × 83,389,612.76
  4. Step 4: Simplify right side
    149,469,104.28x = 17,200,566,309,541,074
  5. Step 5: Solve for x
    x = 17,200,566,309,541,074/149,469,104.28
  6. Step 6: Final answer
    x = 115,077,737.25

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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.