Home / 272,574,010.80-408,861,016.20-126,959,176.80

Finding the Fourth Proportional to 272,574,010.80, 408,861,016.20 and 126,959,176.80

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Solution

The fourth proportional to 272,574,010.80, 408,861,016.20 and 126,959,176.80 is: 190,438,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,574,010.80 : 408,861,016.20 = 126,959,176.80 : x
  2. Step 2: Convert to fraction form
    272,574,010.80/408,861,016.20 = 126,959,176.80/x
  3. Step 3: Cross multiply
    272,574,010.80x = 408,861,016.20 × 126,959,176.80
  4. Step 4: Simplify right side
    272,574,010.80x = 51,908,658,042,363,464
  5. Step 5: Solve for x
    x = 51,908,658,042,363,464/272,574,010.80
  6. Step 6: Final answer
    x = 190,438,765.20

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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.