Home / 112,844,850.12-155,581,732.17-73,082,120.81

Finding the Fourth Proportional to 112,844,850.12, 155,581,732.17 and 73,082,120.81

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Solution

The fourth proportional to 112,844,850.12, 155,581,732.17 and 73,082,120.81 is: 100,759,963.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,844,850.12 : 155,581,732.17 = 73,082,120.81 : x
  2. Step 2: Convert to fraction form
    112,844,850.12/155,581,732.17 = 73,082,120.81/x
  3. Step 3: Cross multiply
    112,844,850.12x = 155,581,732.17 × 73,082,120.81
  4. Step 4: Simplify right side
    112,844,850.12x = 11,370,242,945,499,094
  5. Step 5: Solve for x
    x = 11,370,242,945,499,094/112,844,850.12
  6. Step 6: Final answer
    x = 100,759,963.20

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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.