Home / 136,180,435.51-187,986,988.20-91,552,290.29

Finding the Fourth Proportional to 136,180,435.51, 187,986,988.20 and 91,552,290.29

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Solution

The fourth proportional to 136,180,435.51, 187,986,988.20 and 91,552,290.29 is: 126,381,144.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,180,435.51 : 187,986,988.20 = 91,552,290.29 : x
  2. Step 2: Convert to fraction form
    136,180,435.51/187,986,988.20 = 91,552,290.29/x
  3. Step 3: Cross multiply
    136,180,435.51x = 187,986,988.20 × 91,552,290.29
  4. Step 4: Simplify right side
    136,180,435.51x = 17,210,639,313,494,212
  5. Step 5: Solve for x
    x = 17,210,639,313,494,212/136,180,435.51
  6. Step 6: Final answer
    x = 126,381,144.61

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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.