Home / 116,928,716.73-161,195,281.39-79,711,236.47

Finding the Fourth Proportional to 116,928,716.73, 161,195,281.39 and 79,711,236.47

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Solution

The fourth proportional to 116,928,716.73, 161,195,281.39 and 79,711,236.47 is: 109,888,105.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,928,716.73 : 161,195,281.39 = 79,711,236.47 : x
  2. Step 2: Convert to fraction form
    116,928,716.73/161,195,281.39 = 79,711,236.47/x
  3. Step 3: Cross multiply
    116,928,716.73x = 161,195,281.39 × 79,711,236.47
  4. Step 4: Simplify right side
    116,928,716.73x = 12,849,075,192,726,478
  5. Step 5: Solve for x
    x = 12,849,075,192,726,478/116,928,716.73
  6. Step 6: Final answer
    x = 109,888,105.78

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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.