Home / 149,319,984.82-206,073,851.33-82,352,044.05

Finding the Fourth Proportional to 149,319,984.82, 206,073,851.33 and 82,352,044.05

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Solution

The fourth proportional to 149,319,984.82, 206,073,851.33 and 82,352,044.05 is: 113,652,589.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,319,984.82 : 206,073,851.33 = 82,352,044.05 : x
  2. Step 2: Convert to fraction form
    149,319,984.82/206,073,851.33 = 82,352,044.05/x
  3. Step 3: Cross multiply
    149,319,984.82x = 206,073,851.33 × 82,352,044.05
  4. Step 4: Simplify right side
    149,319,984.82x = 16,970,602,882,989,694
  5. Step 5: Solve for x
    x = 16,970,602,882,989,694/149,319,984.82
  6. Step 6: Final answer
    x = 113,652,589.13

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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.