Home / 75,087,016.20-112,630,524.30-73,811,557.80

Finding the Fourth Proportional to 75,087,016.20, 112,630,524.30 and 73,811,557.80

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Solution

The fourth proportional to 75,087,016.20, 112,630,524.30 and 73,811,557.80 is: 110,717,336.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,087,016.20 : 112,630,524.30 = 73,811,557.80 : x
  2. Step 2: Convert to fraction form
    75,087,016.20/112,630,524.30 = 73,811,557.80/x
  3. Step 3: Cross multiply
    75,087,016.20x = 112,630,524.30 × 73,811,557.80
  4. Step 4: Simplify right side
    75,087,016.20x = 8,313,434,454,413,754
  5. Step 5: Solve for x
    x = 8,313,434,454,413,754/75,087,016.20
  6. Step 6: Final answer
    x = 110,717,336.70

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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.