Home / 272,079,187.20-408,543,933.60-157,287,931.20

Finding the Fourth Proportional to 272,079,187.20, 408,543,933.60 and 157,287,931.20

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Solution

The fourth proportional to 272,079,187.20, 408,543,933.60 and 157,287,931.20 is: 236,177,676.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,079,187.20 : 408,543,933.60 = 157,287,931.20 : x
  2. Step 2: Convert to fraction form
    272,079,187.20/408,543,933.60 = 157,287,931.20/x
  3. Step 3: Cross multiply
    272,079,187.20x = 408,543,933.60 × 157,287,931.20
  4. Step 4: Simplify right side
    272,079,187.20x = 64,259,030,120,254,168
  5. Step 5: Solve for x
    x = 64,259,030,120,254,168/272,079,187.20
  6. Step 6: Final answer
    x = 236,177,676.00

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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.