Home / 222,032,653.66-306,408,690.57-121,559,415.04

Finding the Fourth Proportional to 222,032,653.66, 306,408,690.57 and 121,559,415.04

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Solution

The fourth proportional to 222,032,653.66, 306,408,690.57 and 121,559,415.04 is: 167,753,979.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,032,653.66 : 306,408,690.57 = 121,559,415.04 : x
  2. Step 2: Convert to fraction form
    222,032,653.66/306,408,690.57 = 121,559,415.04/x
  3. Step 3: Cross multiply
    222,032,653.66x = 306,408,690.57 × 121,559,415.04
  4. Step 4: Simplify right side
    222,032,653.66x = 37,246,861,188,861,568
  5. Step 5: Solve for x
    x = 37,246,861,188,861,568/222,032,653.66
  6. Step 6: Final answer
    x = 167,753,979.31

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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.