Home / 207,899,140,810.60-311,848,711,215.90-194,675,188,119.40

Finding the Fourth Proportional to 207,899,140,810.60, 311,848,711,215.90 and 194,675,188,119.40

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Solution

The fourth proportional to 207,899,140,810.60, 311,848,711,215.90 and 194,675,188,119.40 is: 292,012,782,179.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,899,140,810.60 : 311,848,711,215.90 = 194,675,188,119.40 : x
  2. Step 2: Convert to fraction form
    207,899,140,810.60/311,848,711,215.90 = 194,675,188,119.40/x
  3. Step 3: Cross multiply
    207,899,140,810.60x = 311,848,711,215.90 × 194,675,188,119.40
  4. Step 4: Simplify right side
    207,899,140,810.60x = 60,709,206,520,747,777,851,392
  5. Step 5: Solve for x
    x = 60,709,206,520,747,777,851,392/207,899,140,810.60
  6. Step 6: Final answer
    x = 292,012,782,179.10

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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.