Home / 222,309,436.41-306,788,823.53-123,191,839.42

Finding the Fourth Proportional to 222,309,436.41, 306,788,823.53 and 123,191,839.42

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Solution

The fourth proportional to 222,309,436.41, 306,788,823.53 and 123,191,839.42 is: 170,005,736.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,309,436.41 : 306,788,823.53 = 123,191,839.42 : x
  2. Step 2: Convert to fraction form
    222,309,436.41/306,788,823.53 = 123,191,839.42/x
  3. Step 3: Cross multiply
    222,309,436.41x = 306,788,823.53 × 123,191,839.42
  4. Step 4: Simplify right side
    222,309,436.41x = 37,793,879,484,158,472
  5. Step 5: Solve for x
    x = 37,793,879,484,158,472/222,309,436.41
  6. Step 6: Final answer
    x = 170,005,736.57

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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.