Home / 222,346,845.90-306,838,676.43-123,233,992.19

Finding the Fourth Proportional to 222,346,845.90, 306,838,676.43 and 123,233,992.19

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Solution

The fourth proportional to 222,346,845.90, 306,838,676.43 and 123,233,992.19 is: 170,062,925.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,346,845.90 : 306,838,676.43 = 123,233,992.19 : x
  2. Step 2: Convert to fraction form
    222,346,845.90/306,838,676.43 = 123,233,992.19/x
  3. Step 3: Cross multiply
    222,346,845.90x = 306,838,676.43 × 123,233,992.19
  4. Step 4: Simplify right side
    222,346,845.90x = 37,812,955,056,451,728
  5. Step 5: Solve for x
    x = 37,812,955,056,451,728/222,346,845.90
  6. Step 6: Final answer
    x = 170,062,925.35

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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.