Home / 156,135,670,394.89-215,387,926,674.52-101,973,922,825.98

Finding the Fourth Proportional to 156,135,670,394.89, 215,387,926,674.52 and 101,973,922,825.98

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Solution

The fourth proportional to 156,135,670,394.89, 215,387,926,674.52 and 101,973,922,825.98 is: 140,672,222,797.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,135,670,394.89 : 215,387,926,674.52 = 101,973,922,825.98 : x
  2. Step 2: Convert to fraction form
    156,135,670,394.89/215,387,926,674.52 = 101,973,922,825.98/x
  3. Step 3: Cross multiply
    156,135,670,394.89x = 215,387,926,674.52 × 101,973,922,825.98
  4. Step 4: Simplify right side
    156,135,670,394.89x = 21,963,951,812,355,341,418,496
  5. Step 5: Solve for x
    x = 21,963,951,812,355,341,418,496/156,135,670,394.89
  6. Step 6: Final answer
    x = 140,672,222,797.04

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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.