Home / 247,384,753.75-341,507,191.52-142,942,622.32

Finding the Fourth Proportional to 247,384,753.75, 341,507,191.52 and 142,942,622.32

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Solution

The fourth proportional to 247,384,753.75, 341,507,191.52 and 142,942,622.32 is: 197,327,979.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,384,753.75 : 341,507,191.52 = 142,942,622.32 : x
  2. Step 2: Convert to fraction form
    247,384,753.75/341,507,191.52 = 142,942,622.32/x
  3. Step 3: Cross multiply
    247,384,753.75x = 341,507,191.52 × 142,942,622.32
  4. Step 4: Simplify right side
    247,384,753.75x = 48,815,933,497,007,264
  5. Step 5: Solve for x
    x = 48,815,933,497,007,264/247,384,753.75
  6. Step 6: Final answer
    x = 197,327,979.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.