Home / 50,266,479-69,373,371.18-30,431,177.40

Finding the Fourth Proportional to 50,266,479, 69,373,371.18 and 30,431,177.40

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Solution

The fourth proportional to 50,266,479, 69,373,371.18 and 30,431,177.40 is: 41,998,433.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,266,479 : 69,373,371.18 = 30,431,177.40 : x
  2. Step 2: Convert to fraction form
    50,266,479/69,373,371.18 = 30,431,177.40/x
  3. Step 3: Cross multiply
    50,266,479x = 69,373,371.18 × 30,431,177.40
  4. Step 4: Simplify right side
    50,266,479x = 2,111,113,365,214,627.50
  5. Step 5: Solve for x
    x = 2,111,113,365,214,627.50/50,266,479
  6. Step 6: Final answer
    x = 41,998,433.29

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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.