Home / 222,309,435.41-306,788,822.15-123,191,838.42

Finding the Fourth Proportional to 222,309,435.41, 306,788,822.15 and 123,191,838.42

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Solution

The fourth proportional to 222,309,435.41, 306,788,822.15 and 123,191,838.42 is: 170,005,735.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,309,435.41 : 306,788,822.15 = 123,191,838.42 : x
  2. Step 2: Convert to fraction form
    222,309,435.41/306,788,822.15 = 123,191,838.42/x
  3. Step 3: Cross multiply
    222,309,435.41x = 306,788,822.15 × 123,191,838.42
  4. Step 4: Simplify right side
    222,309,435.41x = 37,793,879,005,598,496
  5. Step 5: Solve for x
    x = 37,793,879,005,598,496/222,309,435.41
  6. Step 6: Final answer
    x = 170,005,735.19

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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.