Home / 111,111,562.80-166,667,344.20-68,113,393.20

Finding the Fourth Proportional to 111,111,562.80, 166,667,344.20 and 68,113,393.20

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Solution

The fourth proportional to 111,111,562.80, 166,667,344.20 and 68,113,393.20 is: 102,170,089.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,111,562.80 : 166,667,344.20 = 68,113,393.20 : x
  2. Step 2: Convert to fraction form
    111,111,562.80/166,667,344.20 = 68,113,393.20/x
  3. Step 3: Cross multiply
    111,111,562.80x = 166,667,344.20 × 68,113,393.20
  4. Step 4: Simplify right side
    111,111,562.80x = 11,352,278,349,094,340
  5. Step 5: Solve for x
    x = 11,352,278,349,094,340/111,111,562.80
  6. Step 6: Final answer
    x = 102,170,089.80

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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.