Home / 124,191,687.56-186,081,591.09-75,522,320.78

Finding the Fourth Proportional to 124,191,687.56, 186,081,591.09 and 75,522,320.78

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Solution

The fourth proportional to 124,191,687.56, 186,081,591.09 and 75,522,320.78 is: 113,158,246.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,191,687.56 : 186,081,591.09 = 75,522,320.78 : x
  2. Step 2: Convert to fraction form
    124,191,687.56/186,081,591.09 = 75,522,320.78/x
  3. Step 3: Cross multiply
    124,191,687.56x = 186,081,591.09 × 75,522,320.78
  4. Step 4: Simplify right side
    124,191,687.56x = 14,053,313,613,551,770
  5. Step 5: Solve for x
    x = 14,053,313,613,551,770/124,191,687.56
  6. Step 6: Final answer
    x = 113,158,246.66

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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.