Home / 80,338,489.69-110,879,234.70-48,994,722.81

Finding the Fourth Proportional to 80,338,489.69, 110,879,234.70 and 48,994,722.81

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Solution

The fourth proportional to 80,338,489.69, 110,879,234.70 and 48,994,722.81 is: 67,620,108.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,338,489.69 : 110,879,234.70 = 48,994,722.81 : x
  2. Step 2: Convert to fraction form
    80,338,489.69/110,879,234.70 = 48,994,722.81/x
  3. Step 3: Cross multiply
    80,338,489.69x = 110,879,234.70 × 48,994,722.81
  4. Step 4: Simplify right side
    80,338,489.69x = 5,432,497,369,511,434
  5. Step 5: Solve for x
    x = 5,432,497,369,511,434/80,338,489.69
  6. Step 6: Final answer
    x = 67,620,108.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.