Home / 116,928,716.49-161,195,281.04-79,711,236.23

Finding the Fourth Proportional to 116,928,716.49, 161,195,281.04 and 79,711,236.23

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Solution

The fourth proportional to 116,928,716.49, 161,195,281.04 and 79,711,236.23 is: 109,888,105.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,928,716.49 : 161,195,281.04 = 79,711,236.23 : x
  2. Step 2: Convert to fraction form
    116,928,716.49/161,195,281.04 = 79,711,236.23/x
  3. Step 3: Cross multiply
    116,928,716.49x = 161,195,281.04 × 79,711,236.23
  4. Step 4: Simplify right side
    116,928,716.49x = 12,849,075,124,936,146
  5. Step 5: Solve for x
    x = 12,849,075,124,936,146/116,928,716.49
  6. Step 6: Final answer
    x = 109,888,105.43

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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.