Home / 272,276,721.60-408,452,407.20-90,504,945.60

Finding the Fourth Proportional to 272,276,721.60, 408,452,407.20 and 90,504,945.60

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Solution

The fourth proportional to 272,276,721.60, 408,452,407.20 and 90,504,945.60 is: 135,769,825.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,276,721.60 : 408,452,407.20 = 90,504,945.60 : x
  2. Step 2: Convert to fraction form
    272,276,721.60/408,452,407.20 = 90,504,945.60/x
  3. Step 3: Cross multiply
    272,276,721.60x = 408,452,407.20 × 90,504,945.60
  4. Step 4: Simplify right side
    272,276,721.60x = 36,966,962,893,825,048
  5. Step 5: Solve for x
    x = 36,966,962,893,825,048/272,276,721.60
  6. Step 6: Final answer
    x = 135,769,825.19

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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.