Home / 130,278,011,035.07-195,305,096,199.17-45,276,762,084.78

Finding the Fourth Proportional to 130,278,011,035.07, 195,305,096,199.17 and 45,276,762,084.78

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Solution

The fourth proportional to 130,278,011,035.07, 195,305,096,199.17 and 45,276,762,084.78 is: 67,876,246,377.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,278,011,035.07 : 195,305,096,199.17 = 45,276,762,084.78 : x
  2. Step 2: Convert to fraction form
    130,278,011,035.07/195,305,096,199.17 = 45,276,762,084.78/x
  3. Step 3: Cross multiply
    130,278,011,035.07x = 195,305,096,199.17 × 45,276,762,084.78
  4. Step 4: Simplify right side
    130,278,011,035.07x = 8,842,782,374,554,891,190,272
  5. Step 5: Solve for x
    x = 8,842,782,374,554,891,190,272/130,278,011,035.07
  6. Step 6: Final answer
    x = 67,876,246,377.25

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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.