Home / 201,204,482.10-301,806,723.15-71,816,313.30

Finding the Fourth Proportional to 201,204,482.10, 301,806,723.15 and 71,816,313.30

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Solution

The fourth proportional to 201,204,482.10, 301,806,723.15 and 71,816,313.30 is: 107,724,469.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,482.10 : 301,806,723.15 = 71,816,313.30 : x
  2. Step 2: Convert to fraction form
    201,204,482.10/301,806,723.15 = 71,816,313.30/x
  3. Step 3: Cross multiply
    201,204,482.10x = 301,806,723.15 × 71,816,313.30
  4. Step 4: Simplify right side
    201,204,482.10x = 21,674,646,185,786,760
  5. Step 5: Solve for x
    x = 21,674,646,185,786,760/201,204,482.10
  6. Step 6: Final answer
    x = 107,724,469.95

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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.