Home / 82,518,005.64-123,776,873.10-21,933,732.36

Finding the Fourth Proportional to 82,518,005.64, 123,776,873.10 and 21,933,732.36

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Solution

The fourth proportional to 82,518,005.64, 123,776,873.10 and 21,933,732.36 is: 32,900,562.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,518,005.64 : 123,776,873.10 = 21,933,732.36 : x
  2. Step 2: Convert to fraction form
    82,518,005.64/123,776,873.10 = 21,933,732.36/x
  3. Step 3: Cross multiply
    82,518,005.64x = 123,776,873.10 × 21,933,732.36
  4. Step 4: Simplify right side
    82,518,005.64x = 2,714,888,806,933,083.50
  5. Step 5: Solve for x
    x = 2,714,888,806,933,083.50/82,518,005.64
  6. Step 6: Final answer
    x = 32,900,562.56

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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.