Home / 254,389,633.40-381,584,450.10-189,819,551.90

Finding the Fourth Proportional to 254,389,633.40, 381,584,450.10 and 189,819,551.90

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Solution

The fourth proportional to 254,389,633.40, 381,584,450.10 and 189,819,551.90 is: 284,729,327.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,389,633.40 : 381,584,450.10 = 189,819,551.90 : x
  2. Step 2: Convert to fraction form
    254,389,633.40/381,584,450.10 = 189,819,551.90/x
  3. Step 3: Cross multiply
    254,389,633.40x = 381,584,450.10 × 189,819,551.90
  4. Step 4: Simplify right side
    254,389,633.40x = 72,432,189,329,989,920
  5. Step 5: Solve for x
    x = 72,432,189,329,989,920/254,389,633.40
  6. Step 6: Final answer
    x = 284,729,327.85

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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.