Home / 81,973,012.17-122,883,850.48-40,996,794.54

Finding the Fourth Proportional to 81,973,012.17, 122,883,850.48 and 40,996,794.54

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Solution

The fourth proportional to 81,973,012.17, 122,883,850.48 and 40,996,794.54 is: 61,457,348.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,973,012.17 : 122,883,850.48 = 40,996,794.54 : x
  2. Step 2: Convert to fraction form
    81,973,012.17/122,883,850.48 = 40,996,794.54/x
  3. Step 3: Cross multiply
    81,973,012.17x = 122,883,850.48 × 40,996,794.54
  4. Step 4: Simplify right side
    81,973,012.17x = 5,037,843,970,207,656
  5. Step 5: Solve for x
    x = 5,037,843,970,207,656/81,973,012.17
  6. Step 6: Final answer
    x = 61,457,348.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.