Home / 136,180,436.27-187,986,989.24-91,552,291.04

Finding the Fourth Proportional to 136,180,436.27, 187,986,989.24 and 91,552,291.04

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Solution

The fourth proportional to 136,180,436.27, 187,986,989.24 and 91,552,291.04 is: 126,381,145.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,180,436.27 : 187,986,989.24 = 91,552,291.04 : x
  2. Step 2: Convert to fraction form
    136,180,436.27/187,986,989.24 = 91,552,291.04/x
  3. Step 3: Cross multiply
    136,180,436.27x = 187,986,989.24 × 91,552,291.04
  4. Step 4: Simplify right side
    136,180,436.27x = 17,210,639,549,236,132
  5. Step 5: Solve for x
    x = 17,210,639,549,236,132/136,180,436.27
  6. Step 6: Final answer
    x = 126,381,145.64

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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.