Home / 156,135,670,393.77-215,387,926,672.95-101,973,922,824.87

Finding the Fourth Proportional to 156,135,670,393.77, 215,387,926,672.95 and 101,973,922,824.87

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Solution

The fourth proportional to 156,135,670,393.77, 215,387,926,672.95 and 101,973,922,824.87 is: 140,672,222,795.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,135,670,393.77 : 215,387,926,672.95 = 101,973,922,824.87 : x
  2. Step 2: Convert to fraction form
    156,135,670,393.77/215,387,926,672.95 = 101,973,922,824.87/x
  3. Step 3: Cross multiply
    156,135,670,393.77x = 215,387,926,672.95 × 101,973,922,824.87
  4. Step 4: Simplify right side
    156,135,670,393.77x = 21,963,951,811,956,161,118,208
  5. Step 5: Solve for x
    x = 21,963,951,811,956,161,118,208/156,135,670,393.77
  6. Step 6: Final answer
    x = 140,672,222,795.49

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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.