Home / 138,526,550.28-191,083,347.27-91,484,057.16

Finding the Fourth Proportional to 138,526,550.28, 191,083,347.27 and 91,484,057.16

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Solution

The fourth proportional to 138,526,550.28, 191,083,347.27 and 91,484,057.16 is: 126,192,992.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,526,550.28 : 191,083,347.27 = 91,484,057.16 : x
  2. Step 2: Convert to fraction form
    138,526,550.28/191,083,347.27 = 91,484,057.16/x
  3. Step 3: Cross multiply
    138,526,550.28x = 191,083,347.27 × 91,484,057.16
  4. Step 4: Simplify right side
    138,526,550.28x = 17,481,079,863,972,810
  5. Step 5: Solve for x
    x = 17,481,079,863,972,810/138,526,550.28
  6. Step 6: Final answer
    x = 126,192,992.09

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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.