Home / 156,135,670,393.83-215,387,926,673.05-101,973,922,824.91

Finding the Fourth Proportional to 156,135,670,393.83, 215,387,926,673.05 and 101,973,922,824.91

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Solution

The fourth proportional to 156,135,670,393.83, 215,387,926,673.05 and 101,973,922,824.91 is: 140,672,222,795.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,135,670,393.83 : 215,387,926,673.05 = 101,973,922,824.91 : x
  2. Step 2: Convert to fraction form
    156,135,670,393.83/215,387,926,673.05 = 101,973,922,824.91/x
  3. Step 3: Cross multiply
    156,135,670,393.83x = 215,387,926,673.05 × 101,973,922,824.91
  4. Step 4: Simplify right side
    156,135,670,393.83x = 21,963,951,811,974,972,571,648
  5. Step 5: Solve for x
    x = 21,963,951,811,974,972,571,648/156,135,670,393.83
  6. Step 6: Final answer
    x = 140,672,222,795.56

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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.