Home / 156,135,670,393.58-215,387,926,672.70-101,973,922,824.66

Finding the Fourth Proportional to 156,135,670,393.58, 215,387,926,672.70 and 101,973,922,824.66

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Solution

The fourth proportional to 156,135,670,393.58, 215,387,926,672.70 and 101,973,922,824.66 is: 140,672,222,795.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,135,670,393.58 : 215,387,926,672.70 = 101,973,922,824.66 : x
  2. Step 2: Convert to fraction form
    156,135,670,393.58/215,387,926,672.70 = 101,973,922,824.66/x
  3. Step 3: Cross multiply
    156,135,670,393.58x = 215,387,926,672.70 × 101,973,922,824.66
  4. Step 4: Simplify right side
    156,135,670,393.58x = 21,963,951,811,885,440,958,464
  5. Step 5: Solve for x
    x = 21,963,951,811,885,440,958,464/156,135,670,393.58
  6. Step 6: Final answer
    x = 140,672,222,795.21

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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.