Home / 263,811,785.78-395,721,046.34-69,721,524.11

Finding the Fourth Proportional to 263,811,785.78, 395,721,046.34 and 69,721,524.11

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Solution

The fourth proportional to 263,811,785.78, 395,721,046.34 and 69,721,524.11 is: 104,583,176.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,811,785.78 : 395,721,046.34 = 69,721,524.11 : x
  2. Step 2: Convert to fraction form
    263,811,785.78/395,721,046.34 = 69,721,524.11/x
  3. Step 3: Cross multiply
    263,811,785.78x = 395,721,046.34 × 69,721,524.11
  4. Step 4: Simplify right side
    263,811,785.78x = 27,590,274,470,901,524
  5. Step 5: Solve for x
    x = 27,590,274,470,901,524/263,811,785.78
  6. Step 6: Final answer
    x = 104,583,176.18

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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.