Home / 144,261,667,778.98-198,998,389,467.48-89,973,966,284.95

Finding the Fourth Proportional to 144,261,667,778.98, 198,998,389,467.48 and 89,973,966,284.95

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Solution

The fourth proportional to 144,261,667,778.98, 198,998,389,467.48 and 89,973,966,284.95 is: 124,112,487,124.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,261,667,778.98 : 198,998,389,467.48 = 89,973,966,284.95 : x
  2. Step 2: Convert to fraction form
    144,261,667,778.98/198,998,389,467.48 = 89,973,966,284.95/x
  3. Step 3: Cross multiply
    144,261,667,778.98x = 198,998,389,467.48 × 89,973,966,284.95
  4. Step 4: Simplify right side
    144,261,667,778.98x = 17,904,674,384,706,394,914,816
  5. Step 5: Solve for x
    x = 17,904,674,384,706,394,914,816/144,261,667,778.98
  6. Step 6: Final answer
    x = 124,112,487,124.01

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1.5x scale

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.