Home / 117,005,344.30-175,508,016.45-82,993,120.30

Finding the Fourth Proportional to 117,005,344.30, 175,508,016.45 and 82,993,120.30

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Solution

The fourth proportional to 117,005,344.30, 175,508,016.45 and 82,993,120.30 is: 124,489,680.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,005,344.30 : 175,508,016.45 = 82,993,120.30 : x
  2. Step 2: Convert to fraction form
    117,005,344.30/175,508,016.45 = 82,993,120.30/x
  3. Step 3: Cross multiply
    117,005,344.30x = 175,508,016.45 × 82,993,120.30
  4. Step 4: Simplify right side
    117,005,344.30x = 14,565,957,922,849,228
  5. Step 5: Solve for x
    x = 14,565,957,922,849,228/117,005,344.30
  6. Step 6: Final answer
    x = 124,489,680.45

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Double scale
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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.