Home / 303,784,745.49-419,214,359.12-178,334,926.29

Finding the Fourth Proportional to 303,784,745.49, 419,214,359.12 and 178,334,926.29

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Solution

The fourth proportional to 303,784,745.49, 419,214,359.12 and 178,334,926.29 is: 246,097,155.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,784,745.49 : 419,214,359.12 = 178,334,926.29 : x
  2. Step 2: Convert to fraction form
    303,784,745.49/419,214,359.12 = 178,334,926.29/x
  3. Step 3: Cross multiply
    303,784,745.49x = 419,214,359.12 × 178,334,926.29
  4. Step 4: Simplify right side
    303,784,745.49x = 74,760,561,832,483,120
  5. Step 5: Solve for x
    x = 74,760,561,832,483,120/303,784,745.49
  6. Step 6: Final answer
    x = 246,097,155.77

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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.