Home / 205,769,660.78-283,962,442.94-111,683,841.51

Finding the Fourth Proportional to 205,769,660.78, 283,962,442.94 and 111,683,841.51

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Solution

The fourth proportional to 205,769,660.78, 283,962,442.94 and 111,683,841.51 is: 154,123,870.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,769,660.78 : 283,962,442.94 = 111,683,841.51 : x
  2. Step 2: Convert to fraction form
    205,769,660.78/283,962,442.94 = 111,683,841.51/x
  3. Step 3: Cross multiply
    205,769,660.78x = 283,962,442.94 × 111,683,841.51
  4. Step 4: Simplify right side
    205,769,660.78x = 31,714,016,472,103,380
  5. Step 5: Solve for x
    x = 31,714,016,472,103,380/205,769,660.78
  6. Step 6: Final answer
    x = 154,123,870.12

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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.