Home / 82,676,169.60-123,790,305.60-64,760,265.60

Finding the Fourth Proportional to 82,676,169.60, 123,790,305.60 and 64,760,265.60

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Solution

The fourth proportional to 82,676,169.60, 123,790,305.60 and 64,760,265.60 is: 96,964,979.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,676,169.60 : 123,790,305.60 = 64,760,265.60 : x
  2. Step 2: Convert to fraction form
    82,676,169.60/123,790,305.60 = 64,760,265.60/x
  3. Step 3: Cross multiply
    82,676,169.60x = 123,790,305.60 × 64,760,265.60
  4. Step 4: Simplify right side
    82,676,169.60x = 8,016,693,069,361,167
  5. Step 5: Solve for x
    x = 8,016,693,069,361,167/82,676,169.60
  6. Step 6: Final answer
    x = 96,964,979.25

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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.