Home / 219,375,752.58-302,734,210.05-120,256,713.54

Finding the Fourth Proportional to 219,375,752.58, 302,734,210.05 and 120,256,713.54

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Solution

The fourth proportional to 219,375,752.58, 302,734,210.05 and 120,256,713.54 is: 165,951,891.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,375,752.58 : 302,734,210.05 = 120,256,713.54 : x
  2. Step 2: Convert to fraction form
    219,375,752.58/302,734,210.05 = 120,256,713.54/x
  3. Step 3: Cross multiply
    219,375,752.58x = 302,734,210.05 × 120,256,713.54
  4. Step 4: Simplify right side
    219,375,752.58x = 36,405,821,176,741,040
  5. Step 5: Solve for x
    x = 36,405,821,176,741,040/219,375,752.58
  6. Step 6: Final answer
    x = 165,951,891.90

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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.