Home / 221,932,372.65-333,030,072.19-123,646,345.53

Finding the Fourth Proportional to 221,932,372.65, 333,030,072.19 and 123,646,345.53

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Solution

The fourth proportional to 221,932,372.65, 333,030,072.19 and 123,646,345.53 is: 185,542,788.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,932,372.65 : 333,030,072.19 = 123,646,345.53 : x
  2. Step 2: Convert to fraction form
    221,932,372.65/333,030,072.19 = 123,646,345.53/x
  3. Step 3: Cross multiply
    221,932,372.65x = 333,030,072.19 × 123,646,345.53
  4. Step 4: Simplify right side
    221,932,372.65x = 41,177,951,376,220,432
  5. Step 5: Solve for x
    x = 41,177,951,376,220,432/221,932,372.65
  6. Step 6: Final answer
    x = 185,542,788.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.