Home / 82,323,877.68-123,454,427.54-27,721,803.18

Finding the Fourth Proportional to 82,323,877.68, 123,454,427.54 and 27,721,803.18

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Solution

The fourth proportional to 82,323,877.68, 123,454,427.54 and 27,721,803.18 is: 41,572,134.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,323,877.68 : 123,454,427.54 = 27,721,803.18 : x
  2. Step 2: Convert to fraction form
    82,323,877.68/123,454,427.54 = 27,721,803.18/x
  3. Step 3: Cross multiply
    82,323,877.68x = 123,454,427.54 × 27,721,803.18
  4. Step 4: Simplify right side
    82,323,877.68x = 3,422,379,341,963,451.50
  5. Step 5: Solve for x
    x = 3,422,379,341,963,451.50/82,323,877.68
  6. Step 6: Final answer
    x = 41,572,134.82

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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.