Home / 149,469,113.90-206,267,505.62-83,389,622.42

Finding the Fourth Proportional to 149,469,113.90, 206,267,505.62 and 83,389,622.42

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Solution

The fourth proportional to 149,469,113.90, 206,267,505.62 and 83,389,622.42 is: 115,077,750.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,469,113.90 : 206,267,505.62 = 83,389,622.42 : x
  2. Step 2: Convert to fraction form
    149,469,113.90/206,267,505.62 = 83,389,622.42/x
  3. Step 3: Cross multiply
    149,469,113.90x = 206,267,505.62 × 83,389,622.42
  4. Step 4: Simplify right side
    149,469,113.90x = 17,200,569,411,265,750
  5. Step 5: Solve for x
    x = 17,200,569,411,265,750/149,469,113.90
  6. Step 6: Final answer
    x = 115,077,750.59

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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.