Home / 75,140,611.35-112,632,258.78-31,446,405.73

Finding the Fourth Proportional to 75,140,611.35, 112,632,258.78 and 31,446,405.73

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Solution

The fourth proportional to 75,140,611.35, 112,632,258.78 and 31,446,405.73 is: 47,136,690.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,140,611.35 : 112,632,258.78 = 31,446,405.73 : x
  2. Step 2: Convert to fraction form
    75,140,611.35/112,632,258.78 = 31,446,405.73/x
  3. Step 3: Cross multiply
    75,140,611.35x = 112,632,258.78 × 31,446,405.73
  4. Step 4: Simplify right side
    75,140,611.35x = 3,541,879,707,882,235
  5. Step 5: Solve for x
    x = 3,541,879,707,882,235/75,140,611.35
  6. Step 6: Final answer
    x = 47,136,690.06

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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.