Home / 135,945,563.13-187,598,357.24-77,200,468.65

Finding the Fourth Proportional to 135,945,563.13, 187,598,357.24 and 77,200,468.65

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Solution

The fourth proportional to 135,945,563.13, 187,598,357.24 and 77,200,468.65 is: 106,532,944.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,945,563.13 : 187,598,357.24 = 77,200,468.65 : x
  2. Step 2: Convert to fraction form
    135,945,563.13/187,598,357.24 = 77,200,468.65/x
  3. Step 3: Cross multiply
    135,945,563.13x = 187,598,357.24 × 77,200,468.65
  4. Step 4: Simplify right side
    135,945,563.13x = 14,482,681,096,512,120
  5. Step 5: Solve for x
    x = 14,482,681,096,512,120/135,945,563.13
  6. Step 6: Final answer
    x = 106,532,944.24

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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.