Home / 80,572,710.20-120,846,234.90-26,720,022.20

Finding the Fourth Proportional to 80,572,710.20, 120,846,234.90 and 26,720,022.20

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Solution

The fourth proportional to 80,572,710.20, 120,846,234.90 and 26,720,022.20 is: 40,075,778.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,572,710.20 : 120,846,234.90 = 26,720,022.20 : x
  2. Step 2: Convert to fraction form
    80,572,710.20/120,846,234.90 = 26,720,022.20/x
  3. Step 3: Cross multiply
    80,572,710.20x = 120,846,234.90 × 26,720,022.20
  4. Step 4: Simplify right side
    80,572,710.20x = 3,229,014,079,314,415
  5. Step 5: Solve for x
    x = 3,229,014,079,314,415/80,572,710.20
  6. Step 6: Final answer
    x = 40,075,778.40

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1.5x scale

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.