Home / 137,539,042.38-206,264,793.46-45,405,625.80

Finding the Fourth Proportional to 137,539,042.38, 206,264,793.46 and 45,405,625.80

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Solution

The fourth proportional to 137,539,042.38, 206,264,793.46 and 45,405,625.80 is: 68,093,988.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,539,042.38 : 206,264,793.46 = 45,405,625.80 : x
  2. Step 2: Convert to fraction form
    137,539,042.38/206,264,793.46 = 45,405,625.80/x
  3. Step 3: Cross multiply
    137,539,042.38x = 206,264,793.46 × 45,405,625.80
  4. Step 4: Simplify right side
    137,539,042.38x = 9,365,582,027,559,048
  5. Step 5: Solve for x
    x = 9,365,582,027,559,048/137,539,042.38
  6. Step 6: Final answer
    x = 68,093,988.92

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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.