Home / 89,578,637,122.52-134,367,035,380.41-51,781,162,131.09

Finding the Fourth Proportional to 89,578,637,122.52, 134,367,035,380.41 and 51,781,162,131.09

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Solution

The fourth proportional to 89,578,637,122.52, 134,367,035,380.41 and 51,781,162,131.09 is: 77,671,211,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,578,637,122.52 : 134,367,035,380.41 = 51,781,162,131.09 : x
  2. Step 2: Convert to fraction form
    89,578,637,122.52/134,367,035,380.41 = 51,781,162,131.09/x
  3. Step 3: Cross multiply
    89,578,637,122.52x = 134,367,035,380.41 × 51,781,162,131.09
  4. Step 4: Simplify right side
    89,578,637,122.52x = 6,957,681,244,106,915,840,000
  5. Step 5: Solve for x
    x = 6,957,681,244,106,915,840,000/89,578,637,122.52
  6. Step 6: Final answer
    x = 77,671,211,212.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.