Home / 58,420,791.57-80,198,520.03-50,146,488.93

Finding the Fourth Proportional to 58,420,791.57, 80,198,520.03 and 50,146,488.93

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Solution

The fourth proportional to 58,420,791.57, 80,198,520.03 and 50,146,488.93 is: 68,839,775.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,420,791.57 : 80,198,520.03 = 50,146,488.93 : x
  2. Step 2: Convert to fraction form
    58,420,791.57/80,198,520.03 = 50,146,488.93/x
  3. Step 3: Cross multiply
    58,420,791.57x = 80,198,520.03 × 50,146,488.93
  4. Step 4: Simplify right side
    58,420,791.57x = 4,021,674,196,886,778.50
  5. Step 5: Solve for x
    x = 4,021,674,196,886,778.50/58,420,791.57
  6. Step 6: Final answer
    x = 68,839,775.85

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.