Home / 185,382,079.80-278,073,119.70-107,791,693.80

Finding the Fourth Proportional to 185,382,079.80, 278,073,119.70 and 107,791,693.80

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Solution

The fourth proportional to 185,382,079.80, 278,073,119.70 and 107,791,693.80 is: 161,687,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,382,079.80 : 278,073,119.70 = 107,791,693.80 : x
  2. Step 2: Convert to fraction form
    185,382,079.80/278,073,119.70 = 107,791,693.80/x
  3. Step 3: Cross multiply
    185,382,079.80x = 278,073,119.70 × 107,791,693.80
  4. Step 4: Simplify right side
    185,382,079.80x = 29,973,972,572,713,144
  5. Step 5: Solve for x
    x = 29,973,972,572,713,144/185,382,079.80
  6. Step 6: Final answer
    x = 161,687,540.70

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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.