Home / 42,870,198.85-64,305,348.44-11,746,119.56

Finding the Fourth Proportional to 42,870,198.85, 64,305,348.44 and 11,746,119.56

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Solution

The fourth proportional to 42,870,198.85, 64,305,348.44 and 11,746,119.56 is: 17,619,193.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,870,198.85 : 64,305,348.44 = 11,746,119.56 : x
  2. Step 2: Convert to fraction form
    42,870,198.85/64,305,348.44 = 11,746,119.56/x
  3. Step 3: Cross multiply
    42,870,198.85x = 64,305,348.44 × 11,746,119.56
  4. Step 4: Simplify right side
    42,870,198.85x = 755,338,310,743,442.12
  5. Step 5: Solve for x
    x = 755,338,310,743,442.12/42,870,198.85
  6. Step 6: Final answer
    x = 17,619,193.08

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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.