Home / 81,750,473.16-122,426,509.52-54,067,525.56

Finding the Fourth Proportional to 81,750,473.16, 122,426,509.52 and 54,067,525.56

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Solution

The fourth proportional to 81,750,473.16, 122,426,509.52 and 54,067,525.56 is: 80,969,542.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,750,473.16 : 122,426,509.52 = 54,067,525.56 : x
  2. Step 2: Convert to fraction form
    81,750,473.16/122,426,509.52 = 54,067,525.56/x
  3. Step 3: Cross multiply
    81,750,473.16x = 122,426,509.52 × 54,067,525.56
  4. Step 4: Simplify right side
    81,750,473.16x = 6,619,298,432,694,183
  5. Step 5: Solve for x
    x = 6,619,298,432,694,183/81,750,473.16
  6. Step 6: Final answer
    x = 80,969,542.77

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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.