Home / 192,625,318.40-289,032,456.02-90,397,667.84

Finding the Fourth Proportional to 192,625,318.40, 289,032,456.02 and 90,397,667.84

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Solution

The fourth proportional to 192,625,318.40, 289,032,456.02 and 90,397,667.84 is: 135,640,839.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,625,318.40 : 289,032,456.02 = 90,397,667.84 : x
  2. Step 2: Convert to fraction form
    192,625,318.40/289,032,456.02 = 90,397,667.84/x
  3. Step 3: Cross multiply
    192,625,318.40x = 289,032,456.02 × 90,397,667.84
  4. Step 4: Simplify right side
    192,625,318.40x = 26,127,859,952,378,216
  5. Step 5: Solve for x
    x = 26,127,859,952,378,216/192,625,318.40
  6. Step 6: Final answer
    x = 135,640,839.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.