Home / 220,051,385.70-330,077,078.55-58,493,321.70

Finding the Fourth Proportional to 220,051,385.70, 330,077,078.55 and 58,493,321.70

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Solution

The fourth proportional to 220,051,385.70, 330,077,078.55 and 58,493,321.70 is: 87,739,982.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,051,385.70 : 330,077,078.55 = 58,493,321.70 : x
  2. Step 2: Convert to fraction form
    220,051,385.70/330,077,078.55 = 58,493,321.70/x
  3. Step 3: Cross multiply
    220,051,385.70x = 330,077,078.55 × 58,493,321.70
  4. Step 4: Simplify right side
    220,051,385.70x = 19,307,304,741,421,320
  5. Step 5: Solve for x
    x = 19,307,304,741,421,320/220,051,385.70
  6. Step 6: Final answer
    x = 87,739,982.55

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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.