Home / 272,079,253.20-408,544,032.60-157,287,997.20

Finding the Fourth Proportional to 272,079,253.20, 408,544,032.60 and 157,287,997.20

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Solution

The fourth proportional to 272,079,253.20, 408,544,032.60 and 157,287,997.20 is: 236,177,775.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,079,253.20 : 408,544,032.60 = 157,287,997.20 : x
  2. Step 2: Convert to fraction form
    272,079,253.20/408,544,032.60 = 157,287,997.20/x
  3. Step 3: Cross multiply
    272,079,253.20x = 408,544,032.60 × 157,287,997.20
  4. Step 4: Simplify right side
    272,079,253.20x = 64,259,072,655,665,504
  5. Step 5: Solve for x
    x = 64,259,072,655,665,504/272,079,253.20
  6. Step 6: Final answer
    x = 236,177,775.04

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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.