Home / 323,858,305.72-485,787,440.13-90,723,534.37

Finding the Fourth Proportional to 323,858,305.72, 485,787,440.13 and 90,723,534.37

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Solution

The fourth proportional to 323,858,305.72, 485,787,440.13 and 90,723,534.37 is: 136,085,296.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,858,305.72 : 485,787,440.13 = 90,723,534.37 : x
  2. Step 2: Convert to fraction form
    323,858,305.72/485,787,440.13 = 90,723,534.37/x
  3. Step 3: Cross multiply
    323,858,305.72x = 485,787,440.13 × 90,723,534.37
  4. Step 4: Simplify right side
    323,858,305.72x = 44,072,353,521,148,376
  5. Step 5: Solve for x
    x = 44,072,353,521,148,376/323,858,305.72
  6. Step 6: Final answer
    x = 136,085,296.39

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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.