Home / 80,338,488.69-110,879,233.32-48,994,721.81

Finding the Fourth Proportional to 80,338,488.69, 110,879,233.32 and 48,994,721.81

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Solution

The fourth proportional to 80,338,488.69, 110,879,233.32 and 48,994,721.81 is: 67,620,106.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,338,488.69 : 110,879,233.32 = 48,994,721.81 : x
  2. Step 2: Convert to fraction form
    80,338,488.69/110,879,233.32 = 48,994,721.81/x
  3. Step 3: Cross multiply
    80,338,488.69x = 110,879,233.32 × 48,994,721.81
  4. Step 4: Simplify right side
    80,338,488.69x = 5,432,497,190,465,086
  5. Step 5: Solve for x
    x = 5,432,497,190,465,086/80,338,488.69
  6. Step 6: Final answer
    x = 67,620,106.86

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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.