Home / 164,986,218.20-247,479,327.30-74,286,954.20

Finding the Fourth Proportional to 164,986,218.20, 247,479,327.30 and 74,286,954.20

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Solution

The fourth proportional to 164,986,218.20, 247,479,327.30 and 74,286,954.20 is: 111,430,431.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,986,218.20 : 247,479,327.30 = 74,286,954.20 : x
  2. Step 2: Convert to fraction form
    164,986,218.20/247,479,327.30 = 74,286,954.20/x
  3. Step 3: Cross multiply
    164,986,218.20x = 247,479,327.30 × 74,286,954.20
  4. Step 4: Simplify right side
    164,986,218.20x = 18,384,485,452,581,912
  5. Step 5: Solve for x
    x = 18,384,485,452,581,912/164,986,218.20
  6. Step 6: Final answer
    x = 111,430,431.30

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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.