Home / 144,261,667,776.75-198,998,389,464.55-89,973,966,282.78

Finding the Fourth Proportional to 144,261,667,776.75, 198,998,389,464.55 and 89,973,966,282.78

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Solution

The fourth proportional to 144,261,667,776.75, 198,998,389,464.55 and 89,973,966,282.78 is: 124,112,487,121.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,261,667,776.75 : 198,998,389,464.55 = 89,973,966,282.78 : x
  2. Step 2: Convert to fraction form
    144,261,667,776.75/198,998,389,464.55 = 89,973,966,282.78/x
  3. Step 3: Cross multiply
    144,261,667,776.75x = 198,998,389,464.55 × 89,973,966,282.78
  4. Step 4: Simplify right side
    144,261,667,776.75x = 17,904,674,384,010,943,660,032
  5. Step 5: Solve for x
    x = 17,904,674,384,010,943,660,032/144,261,667,776.75
  6. Step 6: Final answer
    x = 124,112,487,121.11

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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.