Home / 142,600,233,425.70-213,900,350,138.55-76,480,469,969.70

Finding the Fourth Proportional to 142,600,233,425.70, 213,900,350,138.55 and 76,480,469,969.70

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Solution

The fourth proportional to 142,600,233,425.70, 213,900,350,138.55 and 76,480,469,969.70 is: 114,720,704,954.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,600,233,425.70 : 213,900,350,138.55 = 76,480,469,969.70 : x
  2. Step 2: Convert to fraction form
    142,600,233,425.70/213,900,350,138.55 = 76,480,469,969.70/x
  3. Step 3: Cross multiply
    142,600,233,425.70x = 213,900,350,138.55 × 76,480,469,969.70
  4. Step 4: Simplify right side
    142,600,233,425.70x = 16,359,199,305,279,687,622,656
  5. Step 5: Solve for x
    x = 16,359,199,305,279,687,622,656/142,600,233,425.70
  6. Step 6: Final answer
    x = 114,720,704,954.55

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1.5x scale

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.