Home / 142,269,556.70-212,819,749.94-113,571,742.70

Finding the Fourth Proportional to 142,269,556.70, 212,819,749.94 and 113,571,742.70

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Solution

The fourth proportional to 142,269,556.70, 212,819,749.94 and 113,571,742.70 is: 169,890,948.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,269,556.70 : 212,819,749.94 = 113,571,742.70 : x
  2. Step 2: Convert to fraction form
    142,269,556.70/212,819,749.94 = 113,571,742.70/x
  3. Step 3: Cross multiply
    142,269,556.70x = 212,819,749.94 × 113,571,742.70
  4. Step 4: Simplify right side
    142,269,556.70x = 24,170,309,881,664,020
  5. Step 5: Solve for x
    x = 24,170,309,881,664,020/142,269,556.70
  6. Step 6: Final answer
    x = 169,890,948.16

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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.