Home / 142,269,561.70-212,819,757.44-113,571,747.70

Finding the Fourth Proportional to 142,269,561.70, 212,819,757.44 and 113,571,747.70

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Solution

The fourth proportional to 142,269,561.70, 212,819,757.44 and 113,571,747.70 is: 169,890,955.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,269,561.70 : 212,819,757.44 = 113,571,747.70 : x
  2. Step 2: Convert to fraction form
    142,269,561.70/212,819,757.44 = 113,571,747.70/x
  3. Step 3: Cross multiply
    142,269,561.70x = 212,819,757.44 × 113,571,747.70
  4. Step 4: Simplify right side
    142,269,561.70x = 24,170,311,797,550,880
  5. Step 5: Solve for x
    x = 24,170,311,797,550,880/142,269,561.70
  6. Step 6: Final answer
    x = 169,890,955.65

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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.