Home / 69,678,583.38-96,132,909.35-39,499,842.69

Finding the Fourth Proportional to 69,678,583.38, 96,132,909.35 and 39,499,842.69

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Solution

The fourth proportional to 69,678,583.38, 96,132,909.35 and 39,499,842.69 is: 54,496,440.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,678,583.38 : 96,132,909.35 = 39,499,842.69 : x
  2. Step 2: Convert to fraction form
    69,678,583.38/96,132,909.35 = 39,499,842.69/x
  3. Step 3: Cross multiply
    69,678,583.38x = 96,132,909.35 × 39,499,842.69
  4. Step 4: Simplify right side
    69,678,583.38x = 3,797,234,796,459,530.50
  5. Step 5: Solve for x
    x = 3,797,234,796,459,530.50/69,678,583.38
  6. Step 6: Final answer
    x = 54,496,440.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.