Home / 115,981,263.67-160,049,839.39-63,767,192.71

Finding the Fourth Proportional to 115,981,263.67, 160,049,839.39 and 63,767,192.71

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Solution

The fourth proportional to 115,981,263.67, 160,049,839.39 and 63,767,192.71 is: 87,996,359.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,981,263.67 : 160,049,839.39 = 63,767,192.71 : x
  2. Step 2: Convert to fraction form
    115,981,263.67/160,049,839.39 = 63,767,192.71/x
  3. Step 3: Cross multiply
    115,981,263.67x = 160,049,839.39 × 63,767,192.71
  4. Step 4: Simplify right side
    115,981,263.67x = 10,205,928,951,586,678
  5. Step 5: Solve for x
    x = 10,205,928,951,586,678/115,981,263.67
  6. Step 6: Final answer
    x = 87,996,359.31

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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.