Home / 137,968,109.40-206,952,164.10-94,969,939.80

Finding the Fourth Proportional to 137,968,109.40, 206,952,164.10 and 94,969,939.80

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Solution

The fourth proportional to 137,968,109.40, 206,952,164.10 and 94,969,939.80 is: 142,454,909.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,968,109.40 : 206,952,164.10 = 94,969,939.80 : x
  2. Step 2: Convert to fraction form
    137,968,109.40/206,952,164.10 = 94,969,939.80/x
  3. Step 3: Cross multiply
    137,968,109.40x = 206,952,164.10 × 94,969,939.80
  4. Step 4: Simplify right side
    137,968,109.40x = 19,654,234,566,056,720
  5. Step 5: Solve for x
    x = 19,654,234,566,056,720/137,968,109.40
  6. Step 6: Final answer
    x = 142,454,909.70

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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.