Home / 156,135,670,393.15-215,387,926,672.15-101,973,922,824.28

Finding the Fourth Proportional to 156,135,670,393.15, 215,387,926,672.15 and 101,973,922,824.28

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Solution

The fourth proportional to 156,135,670,393.15, 215,387,926,672.15 and 101,973,922,824.28 is: 140,672,222,794.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,135,670,393.15 : 215,387,926,672.15 = 101,973,922,824.28 : x
  2. Step 2: Convert to fraction form
    156,135,670,393.15/215,387,926,672.15 = 101,973,922,824.28/x
  3. Step 3: Cross multiply
    156,135,670,393.15x = 215,387,926,672.15 × 101,973,922,824.28
  4. Step 4: Simplify right side
    156,135,670,393.15x = 21,963,951,811,747,502,882,816
  5. Step 5: Solve for x
    x = 21,963,951,811,747,502,882,816/156,135,670,393.15
  6. Step 6: Final answer
    x = 140,672,222,794.72

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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.