Home / 205,769,665.78-283,962,449.84-111,683,846.52

Finding the Fourth Proportional to 205,769,665.78, 283,962,449.84 and 111,683,846.52

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Solution

The fourth proportional to 205,769,665.78, 283,962,449.84 and 111,683,846.52 is: 154,123,877.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,769,665.78 : 283,962,449.84 = 111,683,846.52 : x
  2. Step 2: Convert to fraction form
    205,769,665.78/283,962,449.84 = 111,683,846.52/x
  3. Step 3: Cross multiply
    205,769,665.78x = 283,962,449.84 × 111,683,846.52
  4. Step 4: Simplify right side
    205,769,665.78x = 31,714,018,665,373,756
  5. Step 5: Solve for x
    x = 31,714,018,665,373,756/205,769,665.78
  6. Step 6: Final answer
    x = 154,123,877.03

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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.