Home / 156,135,670,394.64-215,387,926,674.17-101,973,922,825.73

Finding the Fourth Proportional to 156,135,670,394.64, 215,387,926,674.17 and 101,973,922,825.73

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Solution

The fourth proportional to 156,135,670,394.64, 215,387,926,674.17 and 101,973,922,825.73 is: 140,672,222,796.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,135,670,394.64 : 215,387,926,674.17 = 101,973,922,825.73 : x
  2. Step 2: Convert to fraction form
    156,135,670,394.64/215,387,926,674.17 = 101,973,922,825.73/x
  3. Step 3: Cross multiply
    156,135,670,394.64x = 215,387,926,674.17 × 101,973,922,825.73
  4. Step 4: Simplify right side
    156,135,670,394.64x = 21,963,951,812,265,805,611,008
  5. Step 5: Solve for x
    x = 21,963,951,812,265,805,611,008/156,135,670,394.64
  6. Step 6: Final answer
    x = 140,672,222,796.69

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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.