Home / 130,278,011,035.82-195,305,096,200.30-45,276,762,085.52

Finding the Fourth Proportional to 130,278,011,035.82, 195,305,096,200.30 and 45,276,762,085.52

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Solution

The fourth proportional to 130,278,011,035.82, 195,305,096,200.30 and 45,276,762,085.52 is: 67,876,246,378.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,278,011,035.82 : 195,305,096,200.30 = 45,276,762,085.52 : x
  2. Step 2: Convert to fraction form
    130,278,011,035.82/195,305,096,200.30 = 45,276,762,085.52/x
  3. Step 3: Cross multiply
    130,278,011,035.82x = 195,305,096,200.30 × 45,276,762,085.52
  4. Step 4: Simplify right side
    130,278,011,035.82x = 8,842,782,374,750,969,659,392
  5. Step 5: Solve for x
    x = 8,842,782,374,750,969,659,392/130,278,011,035.82
  6. Step 6: Final answer
    x = 67,876,246,378.37

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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.