Home / 140,803,027.29-194,317,157.39-78,923,381.85

Finding the Fourth Proportional to 140,803,027.29, 194,317,157.39 and 78,923,381.85

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Solution

The fourth proportional to 140,803,027.29, 194,317,157.39 and 78,923,381.85 is: 108,919,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,803,027.29 : 194,317,157.39 = 78,923,381.85 : x
  2. Step 2: Convert to fraction form
    140,803,027.29/194,317,157.39 = 78,923,381.85/x
  3. Step 3: Cross multiply
    140,803,027.29x = 194,317,157.39 × 78,923,381.85
  4. Step 4: Simplify right side
    140,803,027.29x = 15,336,167,212,302,900
  5. Step 5: Solve for x
    x = 15,336,167,212,302,900/140,803,027.29
  6. Step 6: Final answer
    x = 108,919,300.30

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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.