Home / 80,572,707.20-120,846,230.40-26,720,019.20

Finding the Fourth Proportional to 80,572,707.20, 120,846,230.40 and 26,720,019.20

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Solution

The fourth proportional to 80,572,707.20, 120,846,230.40 and 26,720,019.20 is: 40,075,773.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,572,707.20 : 120,846,230.40 = 26,720,019.20 : x
  2. Step 2: Convert to fraction form
    80,572,707.20/120,846,230.40 = 26,720,019.20/x
  3. Step 3: Cross multiply
    80,572,707.20x = 120,846,230.40 × 26,720,019.20
  4. Step 4: Simplify right side
    80,572,707.20x = 3,229,013,596,535,623.50
  5. Step 5: Solve for x
    x = 3,229,013,596,535,623.50/80,572,707.20
  6. Step 6: Final answer
    x = 40,075,773.90

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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.