Home / 170,142,672.30-255,214,008.45-55,138,839.90

Finding the Fourth Proportional to 170,142,672.30, 255,214,008.45 and 55,138,839.90

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Solution

The fourth proportional to 170,142,672.30, 255,214,008.45 and 55,138,839.90 is: 82,708,259.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,142,672.30 : 255,214,008.45 = 55,138,839.90 : x
  2. Step 2: Convert to fraction form
    170,142,672.30/255,214,008.45 = 55,138,839.90/x
  3. Step 3: Cross multiply
    170,142,672.30x = 255,214,008.45 × 55,138,839.90
  4. Step 4: Simplify right side
    170,142,672.30x = 14,072,204,352,161,796
  5. Step 5: Solve for x
    x = 14,072,204,352,161,796/170,142,672.30
  6. Step 6: Final answer
    x = 82,708,259.85

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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.