Home / 42,012,221.87-57,980,999.25-25,491,049.79

Finding the Fourth Proportional to 42,012,221.87, 57,980,999.25 and 25,491,049.79

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Solution

The fourth proportional to 42,012,221.87, 57,980,999.25 and 25,491,049.79 is: 35,180,156.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,012,221.87 : 57,980,999.25 = 25,491,049.79 : x
  2. Step 2: Convert to fraction form
    42,012,221.87/57,980,999.25 = 25,491,049.79/x
  3. Step 3: Cross multiply
    42,012,221.87x = 57,980,999.25 × 25,491,049.79
  4. Step 4: Simplify right side
    42,012,221.87x = 1,477,996,538,426,750.50
  5. Step 5: Solve for x
    x = 1,477,996,538,426,750.50/42,012,221.87
  6. Step 6: Final answer
    x = 35,180,156.45

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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.