Home / 80,774,009.10-121,161,704.85-26,921,321.10

Finding the Fourth Proportional to 80,774,009.10, 121,161,704.85 and 26,921,321.10

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Solution

The fourth proportional to 80,774,009.10, 121,161,704.85 and 26,921,321.10 is: 40,382,212.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,774,009.10 : 121,161,704.85 = 26,921,321.10 : x
  2. Step 2: Convert to fraction form
    80,774,009.10/121,161,704.85 = 26,921,321.10/x
  3. Step 3: Cross multiply
    80,774,009.10x = 121,161,704.85 × 26,921,321.10
  4. Step 4: Simplify right side
    80,774,009.10x = 3,261,833,161,290,277.50
  5. Step 5: Solve for x
    x = 3,261,833,161,290,277.50/80,774,009.10
  6. Step 6: Final answer
    x = 40,382,212.02

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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.