Home / 156,135,670,396.46-215,387,926,676.68-101,973,922,827.54

Finding the Fourth Proportional to 156,135,670,396.46, 215,387,926,676.68 and 101,973,922,827.54

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Solution

The fourth proportional to 156,135,670,396.46, 215,387,926,676.68 and 101,973,922,827.54 is: 140,672,222,799.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,135,670,396.46 : 215,387,926,676.68 = 101,973,922,827.54 : x
  2. Step 2: Convert to fraction form
    156,135,670,396.46/215,387,926,676.68 = 101,973,922,827.54/x
  3. Step 3: Cross multiply
    156,135,670,396.46x = 215,387,926,676.68 × 101,973,922,827.54
  4. Step 4: Simplify right side
    156,135,670,396.46x = 21,963,951,812,911,606,792,192
  5. Step 5: Solve for x
    x = 21,963,951,812,911,606,792,192/156,135,670,396.46
  6. Step 6: Final answer
    x = 140,672,222,799.19

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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.