Home / 201,015,072.24-301,571,081.84-69,838,255.90

Finding the Fourth Proportional to 201,015,072.24, 301,571,081.84 and 69,838,255.90

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Solution

The fourth proportional to 201,015,072.24, 301,571,081.84 and 69,838,255.90 is: 104,774,224.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,015,072.24 : 301,571,081.84 = 69,838,255.90 : x
  2. Step 2: Convert to fraction form
    201,015,072.24/301,571,081.84 = 69,838,255.90/x
  3. Step 3: Cross multiply
    201,015,072.24x = 301,571,081.84 × 69,838,255.90
  4. Step 4: Simplify right side
    201,015,072.24x = 21,061,198,385,581,764
  5. Step 5: Solve for x
    x = 21,061,198,385,581,764/201,015,072.24
  6. Step 6: Final answer
    x = 104,774,224.89

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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.