Home / 82,151,340.15-123,045,376.62-56,182,098.09

Finding the Fourth Proportional to 82,151,340.15, 123,045,376.62 and 56,182,098.09

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Solution

The fourth proportional to 82,151,340.15, 123,045,376.62 and 56,182,098.09 is: 84,148,930.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,151,340.15 : 123,045,376.62 = 56,182,098.09 : x
  2. Step 2: Convert to fraction form
    82,151,340.15/123,045,376.62 = 56,182,098.09/x
  3. Step 3: Cross multiply
    82,151,340.15x = 123,045,376.62 × 56,182,098.09
  4. Step 4: Simplify right side
    82,151,340.15x = 6,912,947,418,785,833
  5. Step 5: Solve for x
    x = 6,912,947,418,785,833/82,151,340.15
  6. Step 6: Final answer
    x = 84,148,930.57

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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.