Home / 69,678,581.88-96,132,907.28-39,499,841.19

Finding the Fourth Proportional to 69,678,581.88, 96,132,907.28 and 39,499,841.19

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Solution

The fourth proportional to 69,678,581.88, 96,132,907.28 and 39,499,841.19 is: 54,496,438.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,678,581.88 : 96,132,907.28 = 39,499,841.19 : x
  2. Step 2: Convert to fraction form
    69,678,581.88/96,132,907.28 = 39,499,841.19/x
  3. Step 3: Cross multiply
    69,678,581.88x = 96,132,907.28 × 39,499,841.19
  4. Step 4: Simplify right side
    69,678,581.88x = 3,797,234,570,134,997.50
  5. Step 5: Solve for x
    x = 3,797,234,570,134,997.50/69,678,581.88
  6. Step 6: Final answer
    x = 54,496,438.76

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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.