Home / 86,748,550.38-119,705,375.21-49,571,453.07

Finding the Fourth Proportional to 86,748,550.38, 119,705,375.21 and 49,571,453.07

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Solution

The fourth proportional to 86,748,550.38, 119,705,375.21 and 49,571,453.07 is: 68,404,248.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,748,550.38 : 119,705,375.21 = 49,571,453.07 : x
  2. Step 2: Convert to fraction form
    86,748,550.38/119,705,375.21 = 49,571,453.07/x
  3. Step 3: Cross multiply
    86,748,550.38x = 119,705,375.21 × 49,571,453.07
  4. Step 4: Simplify right side
    86,748,550.38x = 5,933,969,389,201,399
  5. Step 5: Solve for x
    x = 5,933,969,389,201,399/86,748,550.38
  6. Step 6: Final answer
    x = 68,404,248.41

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1.5x scale

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.