Home / 254,389,631.40-381,584,447.10-189,819,549.90

Finding the Fourth Proportional to 254,389,631.40, 381,584,447.10 and 189,819,549.90

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Solution

The fourth proportional to 254,389,631.40, 381,584,447.10 and 189,819,549.90 is: 284,729,324.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,389,631.40 : 381,584,447.10 = 189,819,549.90 : x
  2. Step 2: Convert to fraction form
    254,389,631.40/381,584,447.10 = 189,819,549.90/x
  3. Step 3: Cross multiply
    254,389,631.40x = 381,584,447.10 × 189,819,549.90
  4. Step 4: Simplify right side
    254,389,631.40x = 72,432,187,997,362,368
  5. Step 5: Solve for x
    x = 72,432,187,997,362,368/254,389,631.40
  6. Step 6: Final answer
    x = 284,729,324.85

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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.