Home / 254,389,634.40-381,584,451.60-189,819,552.90

Finding the Fourth Proportional to 254,389,634.40, 381,584,451.60 and 189,819,552.90

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Solution

The fourth proportional to 254,389,634.40, 381,584,451.60 and 189,819,552.90 is: 284,729,329.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,389,634.40 : 381,584,451.60 = 189,819,552.90 : x
  2. Step 2: Convert to fraction form
    254,389,634.40/381,584,451.60 = 189,819,552.90/x
  3. Step 3: Cross multiply
    254,389,634.40x = 381,584,451.60 × 189,819,552.90
  4. Step 4: Simplify right side
    254,389,634.40x = 72,432,189,996,303,696
  5. Step 5: Solve for x
    x = 72,432,189,996,303,696/254,389,634.40
  6. Step 6: Final answer
    x = 284,729,329.35

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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.