Home / 56,022,669.84-77,311,873.56-31,576,383.84

Finding the Fourth Proportional to 56,022,669.84, 77,311,873.56 and 31,576,383.84

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Solution

The fourth proportional to 56,022,669.84, 77,311,873.56 and 31,576,383.84 is: 43,575,741.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,022,669.84 : 77,311,873.56 = 31,576,383.84 : x
  2. Step 2: Convert to fraction form
    56,022,669.84/77,311,873.56 = 31,576,383.84/x
  3. Step 3: Cross multiply
    56,022,669.84x = 77,311,873.56 × 31,576,383.84
  4. Step 4: Simplify right side
    56,022,669.84x = 2,441,229,394,920,107.50
  5. Step 5: Solve for x
    x = 2,441,229,394,920,107.50/56,022,669.84
  6. Step 6: Final answer
    x = 43,575,741.78

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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.