Home / 89,578,637,125.75-134,367,035,385.26-51,781,162,134.33

Finding the Fourth Proportional to 89,578,637,125.75, 134,367,035,385.26 and 51,781,162,134.33

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Solution

The fourth proportional to 89,578,637,125.75, 134,367,035,385.26 and 51,781,162,134.33 is: 77,671,211,217.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,578,637,125.75 : 134,367,035,385.26 = 51,781,162,134.33 : x
  2. Step 2: Convert to fraction form
    89,578,637,125.75/134,367,035,385.26 = 51,781,162,134.33/x
  3. Step 3: Cross multiply
    89,578,637,125.75x = 134,367,035,385.26 × 51,781,162,134.33
  4. Step 4: Simplify right side
    89,578,637,125.75x = 6,957,681,244,793,403,867,136
  5. Step 5: Solve for x
    x = 6,957,681,244,793,403,867,136/89,578,637,125.75
  6. Step 6: Final answer
    x = 77,671,211,217.76

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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.