Home / 144,261,667,781.82-198,998,389,471.19-89,973,966,287.66

Finding the Fourth Proportional to 144,261,667,781.82, 198,998,389,471.19 and 89,973,966,287.66

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Solution

The fourth proportional to 144,261,667,781.82, 198,998,389,471.19 and 89,973,966,287.66 is: 124,112,487,127.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,261,667,781.82 : 198,998,389,471.19 = 89,973,966,287.66 : x
  2. Step 2: Convert to fraction form
    144,261,667,781.82/198,998,389,471.19 = 89,973,966,287.66/x
  3. Step 3: Cross multiply
    144,261,667,781.82x = 198,998,389,471.19 × 89,973,966,287.66
  4. Step 4: Simplify right side
    144,261,667,781.82x = 17,904,674,385,579,086,970,880
  5. Step 5: Solve for x
    x = 17,904,674,385,579,086,970,880/144,261,667,781.82
  6. Step 6: Final answer
    x = 124,112,487,127.61

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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.