Home / 42,062,321.80-63,043,716.30-17,801,201.80

Finding the Fourth Proportional to 42,062,321.80, 63,043,716.30 and 17,801,201.80

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Solution

The fourth proportional to 42,062,321.80, 63,043,716.30 and 17,801,201.80 is: 26,680,741.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,062,321.80 : 63,043,716.30 = 17,801,201.80 : x
  2. Step 2: Convert to fraction form
    42,062,321.80/63,043,716.30 = 17,801,201.80/x
  3. Step 3: Cross multiply
    42,062,321.80x = 63,043,716.30 × 17,801,201.80
  4. Step 4: Simplify right side
    42,062,321.80x = 1,122,253,916,078,249.38
  5. Step 5: Solve for x
    x = 1,122,253,916,078,249.38/42,062,321.80
  6. Step 6: Final answer
    x = 26,680,741.05

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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.