Home / 295,919,438.40-443,907,151.20-80,508,686.40

Finding the Fourth Proportional to 295,919,438.40, 443,907,151.20 and 80,508,686.40

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Solution

The fourth proportional to 295,919,438.40, 443,907,151.20 and 80,508,686.40 is: 120,770,645.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,919,438.40 : 443,907,151.20 = 80,508,686.40 : x
  2. Step 2: Convert to fraction form
    295,919,438.40/443,907,151.20 = 80,508,686.40/x
  3. Step 3: Cross multiply
    295,919,438.40x = 443,907,151.20 × 80,508,686.40
  4. Step 4: Simplify right side
    295,919,438.40x = 35,738,381,626,678,184
  5. Step 5: Solve for x
    x = 35,738,381,626,678,184/295,919,438.40
  6. Step 6: Final answer
    x = 120,770,645.62

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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.