Home / 137,571,244.32-206,200,423.44-71,891,115.60

Finding the Fourth Proportional to 137,571,244.32, 206,200,423.44 and 71,891,115.60

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Solution

The fourth proportional to 137,571,244.32, 206,200,423.44 and 71,891,115.60 is: 107,754,920.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,571,244.32 : 206,200,423.44 = 71,891,115.60 : x
  2. Step 2: Convert to fraction form
    137,571,244.32/206,200,423.44 = 71,891,115.60/x
  3. Step 3: Cross multiply
    137,571,244.32x = 206,200,423.44 × 71,891,115.60
  4. Step 4: Simplify right side
    137,571,244.32x = 14,823,978,478,293,988
  5. Step 5: Solve for x
    x = 14,823,978,478,293,988/137,571,244.32
  6. Step 6: Final answer
    x = 107,754,920.38

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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.