Home / 86,920,344,614.70-130,380,516,922.05-71,216,900,793.90

Finding the Fourth Proportional to 86,920,344,614.70, 130,380,516,922.05 and 71,216,900,793.90

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Solution

The fourth proportional to 86,920,344,614.70, 130,380,516,922.05 and 71,216,900,793.90 is: 106,825,351,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,920,344,614.70 : 130,380,516,922.05 = 71,216,900,793.90 : x
  2. Step 2: Convert to fraction form
    86,920,344,614.70/130,380,516,922.05 = 71,216,900,793.90/x
  3. Step 3: Cross multiply
    86,920,344,614.70x = 130,380,516,922.05 × 71,216,900,793.90
  4. Step 4: Simplify right side
    86,920,344,614.70x = 9,285,296,339,095,034,789,888
  5. Step 5: Solve for x
    x = 9,285,296,339,095,034,789,888/86,920,344,614.70
  6. Step 6: Final answer
    x = 106,825,351,190.85

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Double scale
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Similar ratio
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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.