Home / 201,204,224.70-301,806,337.05-71,816,055.90

Finding the Fourth Proportional to 201,204,224.70, 301,806,337.05 and 71,816,055.90

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Solution

The fourth proportional to 201,204,224.70, 301,806,337.05 and 71,816,055.90 is: 107,724,083.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,224.70 : 301,806,337.05 = 71,816,055.90 : x
  2. Step 2: Convert to fraction form
    201,204,224.70/301,806,337.05 = 71,816,055.90/x
  3. Step 3: Cross multiply
    201,204,224.70x = 301,806,337.05 × 71,816,055.90
  4. Step 4: Simplify right side
    201,204,224.70x = 21,674,540,772,557,044
  5. Step 5: Solve for x
    x = 21,674,540,772,557,044/201,204,224.70
  6. Step 6: Final answer
    x = 107,724,083.85

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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.