Home / 74,136,019.20-111,204,028.80-19,548,499.20

Finding the Fourth Proportional to 74,136,019.20, 111,204,028.80 and 19,548,499.20

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Solution

The fourth proportional to 74,136,019.20, 111,204,028.80 and 19,548,499.20 is: 29,322,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,136,019.20 : 111,204,028.80 = 19,548,499.20 : x
  2. Step 2: Convert to fraction form
    74,136,019.20/111,204,028.80 = 19,548,499.20/x
  3. Step 3: Cross multiply
    74,136,019.20x = 111,204,028.80 × 19,548,499.20
  4. Step 4: Simplify right side
    74,136,019.20x = 2,173,871,868,033,576.75
  5. Step 5: Solve for x
    x = 2,173,871,868,033,576.75/74,136,019.20
  6. Step 6: Final answer
    x = 29,322,748.80

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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.