Home / 81,529,193.25-112,473,213.39-48,470,684.51

Finding the Fourth Proportional to 81,529,193.25, 112,473,213.39 and 48,470,684.51

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Solution

The fourth proportional to 81,529,193.25, 112,473,213.39 and 48,470,684.51 is: 66,867,503.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,529,193.25 : 112,473,213.39 = 48,470,684.51 : x
  2. Step 2: Convert to fraction form
    81,529,193.25/112,473,213.39 = 48,470,684.51/x
  3. Step 3: Cross multiply
    81,529,193.25x = 112,473,213.39 × 48,470,684.51
  4. Step 4: Simplify right side
    81,529,193.25x = 5,451,653,642,333,781
  5. Step 5: Solve for x
    x = 5,451,653,642,333,781/81,529,193.25
  6. Step 6: Final answer
    x = 66,867,503.84

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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.