Home / 222,232,911.40-306,700,250.76-123,144,740.53

Finding the Fourth Proportional to 222,232,911.40, 306,700,250.76 and 123,144,740.53

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Solution

The fourth proportional to 222,232,911.40, 306,700,250.76 and 123,144,740.53 is: 169,950,177.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,232,911.40 : 306,700,250.76 = 123,144,740.53 : x
  2. Step 2: Convert to fraction form
    222,232,911.40/306,700,250.76 = 123,144,740.53/x
  3. Step 3: Cross multiply
    222,232,911.40x = 306,700,250.76 × 123,144,740.53
  4. Step 4: Simplify right side
    222,232,911.40x = 37,768,522,800,326,136
  5. Step 5: Solve for x
    x = 37,768,522,800,326,136/222,232,911.40
  6. Step 6: Final answer
    x = 169,950,177.78

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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.