Home / 143,458,349.94-197,937,395.65-80,722,215.56

Finding the Fourth Proportional to 143,458,349.94, 197,937,395.65 and 80,722,215.56

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Solution

The fourth proportional to 143,458,349.94, 197,937,395.65 and 80,722,215.56 is: 111,376,891.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,458,349.94 : 197,937,395.65 = 80,722,215.56 : x
  2. Step 2: Convert to fraction form
    143,458,349.94/197,937,395.65 = 80,722,215.56/x
  3. Step 3: Cross multiply
    143,458,349.94x = 197,937,395.65 × 80,722,215.56
  4. Step 4: Simplify right side
    143,458,349.94x = 15,977,945,119,640,052
  5. Step 5: Solve for x
    x = 15,977,945,119,640,052/143,458,349.94
  6. Step 6: Final answer
    x = 111,376,891.80

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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.