Home / 144,841,278.21-199,874,879.55-82,121,595.54

Finding the Fourth Proportional to 144,841,278.21, 199,874,879.55 and 82,121,595.54

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Solution

The fourth proportional to 144,841,278.21, 199,874,879.55 and 82,121,595.54 is: 113,324,352.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,841,278.21 : 199,874,879.55 = 82,121,595.54 : x
  2. Step 2: Convert to fraction form
    144,841,278.21/199,874,879.55 = 82,121,595.54/x
  3. Step 3: Cross multiply
    144,841,278.21x = 199,874,879.55 × 82,121,595.54
  4. Step 4: Simplify right side
    144,841,278.21x = 16,414,044,017,011,320
  5. Step 5: Solve for x
    x = 16,414,044,017,011,320/144,841,278.21
  6. Step 6: Final answer
    x = 113,324,352.15

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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.