Home / 82,518,005.14-123,776,872.35-21,933,731.86

Finding the Fourth Proportional to 82,518,005.14, 123,776,872.35 and 21,933,731.86

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Solution

The fourth proportional to 82,518,005.14, 123,776,872.35 and 21,933,731.86 is: 32,900,561.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,518,005.14 : 123,776,872.35 = 21,933,731.86 : x
  2. Step 2: Convert to fraction form
    82,518,005.14/123,776,872.35 = 21,933,731.86/x
  3. Step 3: Cross multiply
    82,518,005.14x = 123,776,872.35 × 21,933,731.86
  4. Step 4: Simplify right side
    82,518,005.14x = 2,714,888,728,594,348
  5. Step 5: Solve for x
    x = 2,714,888,728,594,348/82,518,005.14
  6. Step 6: Final answer
    x = 32,900,561.81

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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.