Home / 208,096,462.60-311,808,770.70-131,282,024.20

Finding the Fourth Proportional to 208,096,462.60, 311,808,770.70 and 131,282,024.20

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Solution

The fourth proportional to 208,096,462.60, 311,808,770.70 and 131,282,024.20 is: 196,711,112.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,096,462.60 : 311,808,770.70 = 131,282,024.20 : x
  2. Step 2: Convert to fraction form
    208,096,462.60/311,808,770.70 = 131,282,024.20/x
  3. Step 3: Cross multiply
    208,096,462.60x = 311,808,770.70 × 131,282,024.20
  4. Step 4: Simplify right side
    208,096,462.60x = 40,934,886,580,809,648
  5. Step 5: Solve for x
    x = 40,934,886,580,809,648/208,096,462.60
  6. Step 6: Final answer
    x = 196,711,112.09

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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.