Home / 201,204,219.70-301,806,329.55-71,816,050.90

Finding the Fourth Proportional to 201,204,219.70, 301,806,329.55 and 71,816,050.90

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Solution

The fourth proportional to 201,204,219.70, 301,806,329.55 and 71,816,050.90 is: 107,724,076.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,219.70 : 301,806,329.55 = 71,816,050.90 : x
  2. Step 2: Convert to fraction form
    201,204,219.70/301,806,329.55 = 71,816,050.90/x
  3. Step 3: Cross multiply
    201,204,219.70x = 301,806,329.55 × 71,816,050.90
  4. Step 4: Simplify right side
    201,204,219.70x = 21,674,538,724,904,976
  5. Step 5: Solve for x
    x = 21,674,538,724,904,976/201,204,219.70
  6. Step 6: Final answer
    x = 107,724,076.35

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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.