Home / 228,884,065.20-316,691,751.78-199,576,471.86

Finding the Fourth Proportional to 228,884,065.20, 316,691,751.78 and 199,576,471.86

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Solution

The fourth proportional to 228,884,065.20, 316,691,751.78 and 199,576,471.86 is: 276,140,772.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,884,065.20 : 316,691,751.78 = 199,576,471.86 : x
  2. Step 2: Convert to fraction form
    228,884,065.20/316,691,751.78 = 199,576,471.86/x
  3. Step 3: Cross multiply
    228,884,065.20x = 316,691,751.78 × 199,576,471.86
  4. Step 4: Simplify right side
    228,884,065.20x = 63,204,222,487,415,272
  5. Step 5: Solve for x
    x = 63,204,222,487,415,272/228,884,065.20
  6. Step 6: Final answer
    x = 276,140,772.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.