Home / 80,262,226.08-120,379,160.88-31,723,944.48

Finding the Fourth Proportional to 80,262,226.08, 120,379,160.88 and 31,723,944.48

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Solution

The fourth proportional to 80,262,226.08, 120,379,160.88 and 31,723,944.48 is: 47,580,312.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,262,226.08 : 120,379,160.88 = 31,723,944.48 : x
  2. Step 2: Convert to fraction form
    80,262,226.08/120,379,160.88 = 31,723,944.48/x
  3. Step 3: Cross multiply
    80,262,226.08x = 120,379,160.88 × 31,723,944.48
  4. Step 4: Simplify right side
    80,262,226.08x = 3,818,901,816,306,108
  5. Step 5: Solve for x
    x = 3,818,901,816,306,108/80,262,226.08
  6. Step 6: Final answer
    x = 47,580,312.72

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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.