Home / 148,302,236.20-222,295,890.30-71,575,277.80

Finding the Fourth Proportional to 148,302,236.20, 222,295,890.30 and 71,575,277.80

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Solution

The fourth proportional to 148,302,236.20, 222,295,890.30 and 71,575,277.80 is: 107,286,919.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,302,236.20 : 222,295,890.30 = 71,575,277.80 : x
  2. Step 2: Convert to fraction form
    148,302,236.20/222,295,890.30 = 71,575,277.80/x
  3. Step 3: Cross multiply
    148,302,236.20x = 222,295,890.30 × 71,575,277.80
  4. Step 4: Simplify right side
    148,302,236.20x = 15,910,890,102,020,826
  5. Step 5: Solve for x
    x = 15,910,890,102,020,826/148,302,236.20
  6. Step 6: Final answer
    x = 107,286,919.67

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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.