Home / 136,180,440-187,986,994.41-91,552,294.80

Finding the Fourth Proportional to 136,180,440, 187,986,994.41 and 91,552,294.80

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Solution

The fourth proportional to 136,180,440, 187,986,994.41 and 91,552,294.80 is: 126,381,150.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,180,440 : 187,986,994.41 = 91,552,294.80 : x
  2. Step 2: Convert to fraction form
    136,180,440/187,986,994.41 = 91,552,294.80/x
  3. Step 3: Cross multiply
    136,180,440x = 187,986,994.41 × 91,552,294.80
  4. Step 4: Simplify right side
    136,180,440x = 17,210,640,730,790,272
  5. Step 5: Solve for x
    x = 17,210,640,730,790,272/136,180,440
  6. Step 6: Final answer
    x = 126,381,150.85

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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.