Home / 222,232,910.40-306,700,249.38-123,144,739.53

Finding the Fourth Proportional to 222,232,910.40, 306,700,249.38 and 123,144,739.53

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Solution

The fourth proportional to 222,232,910.40, 306,700,249.38 and 123,144,739.53 is: 169,950,176.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,232,910.40 : 306,700,249.38 = 123,144,739.53 : x
  2. Step 2: Convert to fraction form
    222,232,910.40/306,700,249.38 = 123,144,739.53/x
  3. Step 3: Cross multiply
    222,232,910.40x = 306,700,249.38 × 123,144,739.53
  4. Step 4: Simplify right side
    222,232,910.40x = 37,768,522,323,686,144
  5. Step 5: Solve for x
    x = 37,768,522,323,686,144/222,232,910.40
  6. Step 6: Final answer
    x = 169,950,176.40

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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.