Home / 73,872,002.80-110,808,004.20-20,019,314.80

Finding the Fourth Proportional to 73,872,002.80, 110,808,004.20 and 20,019,314.80

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Solution

The fourth proportional to 73,872,002.80, 110,808,004.20 and 20,019,314.80 is: 30,028,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,872,002.80 : 110,808,004.20 = 20,019,314.80 : x
  2. Step 2: Convert to fraction form
    73,872,002.80/110,808,004.20 = 20,019,314.80/x
  3. Step 3: Cross multiply
    73,872,002.80x = 110,808,004.20 × 20,019,314.80
  4. Step 4: Simplify right side
    73,872,002.80x = 2,218,300,318,439,522.25
  5. Step 5: Solve for x
    x = 2,218,300,318,439,522.25/73,872,002.80
  6. Step 6: Final answer
    x = 30,028,972.20

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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.