Home / 320,098,634.55-441,734,380.72-178,969,827.19

Finding the Fourth Proportional to 320,098,634.55, 441,734,380.72 and 178,969,827.19

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Solution

The fourth proportional to 320,098,634.55, 441,734,380.72 and 178,969,827.19 is: 246,977,391.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,098,634.55 : 441,734,380.72 = 178,969,827.19 : x
  2. Step 2: Convert to fraction form
    320,098,634.55/441,734,380.72 = 178,969,827.19/x
  3. Step 3: Cross multiply
    320,098,634.55x = 441,734,380.72 × 178,969,827.19
  4. Step 4: Simplify right side
    320,098,634.55x = 79,057,125,781,340,064
  5. Step 5: Solve for x
    x = 79,057,125,781,340,064/320,098,634.55
  6. Step 6: Final answer
    x = 246,977,391.49

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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.