Home / 84,994,228.80-127,491,343.20-67,988,116.80

Finding the Fourth Proportional to 84,994,228.80, 127,491,343.20 and 67,988,116.80

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Solution

The fourth proportional to 84,994,228.80, 127,491,343.20 and 67,988,116.80 is: 101,982,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,994,228.80 : 127,491,343.20 = 67,988,116.80 : x
  2. Step 2: Convert to fraction form
    84,994,228.80/127,491,343.20 = 67,988,116.80/x
  3. Step 3: Cross multiply
    84,994,228.80x = 127,491,343.20 × 67,988,116.80
  4. Step 4: Simplify right side
    84,994,228.80x = 8,667,896,332,470,486
  5. Step 5: Solve for x
    x = 8,667,896,332,470,486/84,994,228.80
  6. Step 6: Final answer
    x = 101,982,175.20

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.