Home / 112,647,672.60-168,668,775.11-71,484,245.65

Finding the Fourth Proportional to 112,647,672.60, 168,668,775.11 and 71,484,245.65

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Solution

The fourth proportional to 112,647,672.60, 168,668,775.11 and 71,484,245.65 is: 107,034,258.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,647,672.60 : 168,668,775.11 = 71,484,245.65 : x
  2. Step 2: Convert to fraction form
    112,647,672.60/168,668,775.11 = 71,484,245.65/x
  3. Step 3: Cross multiply
    112,647,672.60x = 168,668,775.11 × 71,484,245.65
  4. Step 4: Simplify right side
    112,647,672.60x = 12,057,160,153,447,848
  5. Step 5: Solve for x
    x = 12,057,160,153,447,848/112,647,672.60
  6. Step 6: Final answer
    x = 107,034,258.90

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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.