Home / 259,166,701,123.65-388,325,531,051.10-138,026,640,022

Finding the Fourth Proportional to 259,166,701,123.65, 388,325,531,051.10 and 138,026,640,022

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Solution

The fourth proportional to 259,166,701,123.65, 388,325,531,051.10 and 138,026,640,022 is: 206,813,869,425.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,166,701,123.65 : 388,325,531,051.10 = 138,026,640,022 : x
  2. Step 2: Convert to fraction form
    259,166,701,123.65/388,325,531,051.10 = 138,026,640,022/x
  3. Step 3: Cross multiply
    259,166,701,123.65x = 388,325,531,051.10 × 138,026,640,022
  4. Step 4: Simplify right side
    259,166,701,123.65x = 53,599,268,285,742,162,378,752
  5. Step 5: Solve for x
    x = 53,599,268,285,742,162,378,752/259,166,701,123.65
  6. Step 6: Final answer
    x = 206,813,869,425.96

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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.