Home / 156,135,670,393.39-215,387,926,672.44-101,973,922,824.48

Finding the Fourth Proportional to 156,135,670,393.39, 215,387,926,672.44 and 101,973,922,824.48

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Solution

The fourth proportional to 156,135,670,393.39, 215,387,926,672.44 and 101,973,922,824.48 is: 140,672,222,794.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,135,670,393.39 : 215,387,926,672.44 = 101,973,922,824.48 : x
  2. Step 2: Convert to fraction form
    156,135,670,393.39/215,387,926,672.44 = 101,973,922,824.48/x
  3. Step 3: Cross multiply
    156,135,670,393.39x = 215,387,926,672.44 × 101,973,922,824.48
  4. Step 4: Simplify right side
    156,135,670,393.39x = 21,963,951,811,820,152,422,400
  5. Step 5: Solve for x
    x = 21,963,951,811,820,152,422,400/156,135,670,393.39
  6. Step 6: Final answer
    x = 140,672,222,794.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.