Home / 223,722,861.78-308,747,173.95-124,603,652.82

Finding the Fourth Proportional to 223,722,861.78, 308,747,173.95 and 124,603,652.82

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Solution

The fourth proportional to 223,722,861.78, 308,747,173.95 and 124,603,652.82 is: 171,958,401.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,722,861.78 : 308,747,173.95 = 124,603,652.82 : x
  2. Step 2: Convert to fraction form
    223,722,861.78/308,747,173.95 = 124,603,652.82/x
  3. Step 3: Cross multiply
    223,722,861.78x = 308,747,173.95 × 124,603,652.82
  4. Step 4: Simplify right side
    223,722,861.78x = 38,471,025,672,021,944
  5. Step 5: Solve for x
    x = 38,471,025,672,021,944/223,722,861.78
  6. Step 6: Final answer
    x = 171,958,401.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.