Home / 200,742,684.44-300,906,876.45-84,225,703.28

Finding the Fourth Proportional to 200,742,684.44, 300,906,876.45 and 84,225,703.28

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Solution

The fourth proportional to 200,742,684.44, 300,906,876.45 and 84,225,703.28 is: 126,251,640.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,742,684.44 : 300,906,876.45 = 84,225,703.28 : x
  2. Step 2: Convert to fraction form
    200,742,684.44/300,906,876.45 = 84,225,703.28/x
  3. Step 3: Cross multiply
    200,742,684.44x = 300,906,876.45 × 84,225,703.28
  4. Step 4: Simplify right side
    200,742,684.44x = 25,344,093,290,789,320
  5. Step 5: Solve for x
    x = 25,344,093,290,789,320/200,742,684.44
  6. Step 6: Final answer
    x = 126,251,640.81

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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.