Home / 254,664,067.80-381,996,101.70-109,072,853.40

Finding the Fourth Proportional to 254,664,067.80, 381,996,101.70 and 109,072,853.40

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Solution

The fourth proportional to 254,664,067.80, 381,996,101.70 and 109,072,853.40 is: 163,609,280.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,664,067.80 : 381,996,101.70 = 109,072,853.40 : x
  2. Step 2: Convert to fraction form
    254,664,067.80/381,996,101.70 = 109,072,853.40/x
  3. Step 3: Cross multiply
    254,664,067.80x = 381,996,101.70 × 109,072,853.40
  4. Step 4: Simplify right side
    254,664,067.80x = 41,665,404,800,095,592
  5. Step 5: Solve for x
    x = 41,665,404,800,095,592/254,664,067.80
  6. Step 6: Final answer
    x = 163,609,280.10

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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.