Home / 131,827,247.20-197,964,819.60-97,787,029.60

Finding the Fourth Proportional to 131,827,247.20, 197,964,819.60 and 97,787,029.60

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Solution

The fourth proportional to 131,827,247.20, 197,964,819.60 and 97,787,029.60 is: 146,846,665.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,827,247.20 : 197,964,819.60 = 97,787,029.60 : x
  2. Step 2: Convert to fraction form
    131,827,247.20/197,964,819.60 = 97,787,029.60/x
  3. Step 3: Cross multiply
    131,827,247.20x = 197,964,819.60 × 97,787,029.60
  4. Step 4: Simplify right side
    131,827,247.20x = 19,358,391,673,983,860
  5. Step 5: Solve for x
    x = 19,358,391,673,983,860/131,827,247.20
  6. Step 6: Final answer
    x = 146,846,665.50

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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.