Home / 185,555,987.84-256,073,120.88-111,192,039.20

Finding the Fourth Proportional to 185,555,987.84, 256,073,120.88 and 111,192,039.20

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Solution

The fourth proportional to 185,555,987.84, 256,073,120.88 and 111,192,039.20 is: 153,448,524.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,555,987.84 : 256,073,120.88 = 111,192,039.20 : x
  2. Step 2: Convert to fraction form
    185,555,987.84/256,073,120.88 = 111,192,039.20/x
  3. Step 3: Cross multiply
    185,555,987.84x = 256,073,120.88 × 111,192,039.20
  4. Step 4: Simplify right side
    185,555,987.84x = 28,473,292,494,955,300
  5. Step 5: Solve for x
    x = 28,473,292,494,955,300/185,555,987.84
  6. Step 6: Final answer
    x = 153,448,524.22

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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.