Home / 57,050,805.96-78,729,649.94-30,945,258.44

Finding the Fourth Proportional to 57,050,805.96, 78,729,649.94 and 30,945,258.44

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Solution

The fourth proportional to 57,050,805.96, 78,729,649.94 and 30,945,258.44 is: 42,704,205.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,050,805.96 : 78,729,649.94 = 30,945,258.44 : x
  2. Step 2: Convert to fraction form
    57,050,805.96/78,729,649.94 = 30,945,258.44/x
  3. Step 3: Cross multiply
    57,050,805.96x = 78,729,649.94 × 30,945,258.44
  4. Step 4: Simplify right side
    57,050,805.96x = 2,436,309,364,284,030.50
  5. Step 5: Solve for x
    x = 2,436,309,364,284,030.50/57,050,805.96
  6. Step 6: Final answer
    x = 42,704,205.90

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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.