Home / 185,858,691.43-278,819,798.53-76,624,149.31

Finding the Fourth Proportional to 185,858,691.43, 278,819,798.53 and 76,624,149.31

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Solution

The fourth proportional to 185,858,691.43, 278,819,798.53 and 76,624,149.31 is: 114,949,318.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,858,691.43 : 278,819,798.53 = 76,624,149.31 : x
  2. Step 2: Convert to fraction form
    185,858,691.43/278,819,798.53 = 76,624,149.31/x
  3. Step 3: Cross multiply
    185,858,691.43x = 278,819,798.53 × 76,624,149.31
  4. Step 4: Simplify right side
    185,858,691.43x = 21,364,329,872,989,876
  5. Step 5: Solve for x
    x = 21,364,329,872,989,876/185,858,691.43
  6. Step 6: Final answer
    x = 114,949,318.26

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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.