Home / 219,654,723.85-303,128,149.78-120,534,604.23

Finding the Fourth Proportional to 219,654,723.85, 303,128,149.78 and 120,534,604.23

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Solution

The fourth proportional to 219,654,723.85, 303,128,149.78 and 120,534,604.23 is: 166,340,295.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,654,723.85 : 303,128,149.78 = 120,534,604.23 : x
  2. Step 2: Convert to fraction form
    219,654,723.85/303,128,149.78 = 120,534,604.23/x
  3. Step 3: Cross multiply
    219,654,723.85x = 303,128,149.78 × 120,534,604.23
  4. Step 4: Simplify right side
    219,654,723.85x = 36,537,431,564,704,456
  5. Step 5: Solve for x
    x = 36,537,431,564,704,456/219,654,723.85
  6. Step 6: Final answer
    x = 166,340,295.01

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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.