Home / 80,572,709.70-120,846,234.15-26,720,021.70

Finding the Fourth Proportional to 80,572,709.70, 120,846,234.15 and 26,720,021.70

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Solution

The fourth proportional to 80,572,709.70, 120,846,234.15 and 26,720,021.70 is: 40,075,777.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,572,709.70 : 120,846,234.15 = 26,720,021.70 : x
  2. Step 2: Convert to fraction form
    80,572,709.70/120,846,234.15 = 26,720,021.70/x
  3. Step 3: Cross multiply
    80,572,709.70x = 120,846,234.15 × 26,720,021.70
  4. Step 4: Simplify right side
    80,572,709.70x = 3,229,013,998,851,281
  5. Step 5: Solve for x
    x = 3,229,013,998,851,281/80,572,709.70
  6. Step 6: Final answer
    x = 40,075,777.65

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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.