Home / 197,208,081.40-295,245,251.70-120,680,577.40

Finding the Fourth Proportional to 197,208,081.40, 295,245,251.70 and 120,680,577.40

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Solution

The fourth proportional to 197,208,081.40, 295,245,251.70 and 120,680,577.40 is: 180,673,972.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,208,081.40 : 295,245,251.70 = 120,680,577.40 : x
  2. Step 2: Convert to fraction form
    197,208,081.40/295,245,251.70 = 120,680,577.40/x
  3. Step 3: Cross multiply
    197,208,081.40x = 295,245,251.70 × 120,680,577.40
  4. Step 4: Simplify right side
    197,208,081.40x = 35,630,367,449,764,332
  5. Step 5: Solve for x
    x = 35,630,367,449,764,332/197,208,081.40
  6. Step 6: Final answer
    x = 180,673,972.37

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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.