Home / 144,951,872.76-199,957,356-86,172,732.36

Finding the Fourth Proportional to 144,951,872.76, 199,957,356 and 86,172,732.36

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Solution

The fourth proportional to 144,951,872.76, 199,957,356 and 86,172,732.36 is: 118,873,053.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,951,872.76 : 199,957,356 = 86,172,732.36 : x
  2. Step 2: Convert to fraction form
    144,951,872.76/199,957,356 = 86,172,732.36/x
  3. Step 3: Cross multiply
    144,951,872.76x = 199,957,356 × 86,172,732.36
  4. Step 4: Simplify right side
    144,951,872.76x = 17,230,871,722,001,240
  5. Step 5: Solve for x
    x = 17,230,871,722,001,240/144,951,872.76
  6. Step 6: Final answer
    x = 118,873,053.48

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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.