Home / 140,698,308.30-194,163,518.18-78,819,082.44

Finding the Fourth Proportional to 140,698,308.30, 194,163,518.18 and 78,819,082.44

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Solution

The fourth proportional to 140,698,308.30, 194,163,518.18 and 78,819,082.44 is: 108,770,251.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,698,308.30 : 194,163,518.18 = 78,819,082.44 : x
  2. Step 2: Convert to fraction form
    140,698,308.30/194,163,518.18 = 78,819,082.44/x
  3. Step 3: Cross multiply
    140,698,308.30x = 194,163,518.18 × 78,819,082.44
  4. Step 4: Simplify right side
    140,698,308.30x = 15,303,790,346,269,858
  5. Step 5: Solve for x
    x = 15,303,790,346,269,858/140,698,308.30
  6. Step 6: Final answer
    x = 108,770,251.26

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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.