Home / 233,084,584.28-321,655,604.82-128,661,742.19

Finding the Fourth Proportional to 233,084,584.28, 321,655,604.82 and 128,661,742.19

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Solution

The fourth proportional to 233,084,584.28, 321,655,604.82 and 128,661,742.19 is: 177,552,585.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,084,584.28 : 321,655,604.82 = 128,661,742.19 : x
  2. Step 2: Convert to fraction form
    233,084,584.28/321,655,604.82 = 128,661,742.19/x
  3. Step 3: Cross multiply
    233,084,584.28x = 321,655,604.82 × 128,661,742.19
  4. Step 4: Simplify right side
    233,084,584.28x = 41,384,770,501,641,024
  5. Step 5: Solve for x
    x = 41,384,770,501,641,024/233,084,584.28
  6. Step 6: Final answer
    x = 177,552,585.17

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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.