Home / 143,049,560.74-197,394,901.04-80,313,405.86

Finding the Fourth Proportional to 143,049,560.74, 197,394,901.04 and 80,313,405.86

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Solution

The fourth proportional to 143,049,560.74, 197,394,901.04 and 80,313,405.86 is: 110,824,924.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,049,560.74 : 197,394,901.04 = 80,313,405.86 : x
  2. Step 2: Convert to fraction form
    143,049,560.74/197,394,901.04 = 80,313,405.86/x
  3. Step 3: Cross multiply
    143,049,560.74x = 197,394,901.04 × 80,313,405.86
  4. Step 4: Simplify right side
    143,049,560.74x = 15,853,456,802,614,326
  5. Step 5: Solve for x
    x = 15,853,456,802,614,326/143,049,560.74
  6. Step 6: Final answer
    x = 110,824,924.74

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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.