Home / 212,127,599.70-318,204,848.57-66,566,906.24

Finding the Fourth Proportional to 212,127,599.70, 318,204,848.57 and 66,566,906.24

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Solution

The fourth proportional to 212,127,599.70, 318,204,848.57 and 66,566,906.24 is: 99,854,579.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,127,599.70 : 318,204,848.57 = 66,566,906.24 : x
  2. Step 2: Convert to fraction form
    212,127,599.70/318,204,848.57 = 66,566,906.24/x
  3. Step 3: Cross multiply
    212,127,599.70x = 318,204,848.57 × 66,566,906.24
  4. Step 4: Simplify right side
    212,127,599.70x = 21,181,912,317,948,728
  5. Step 5: Solve for x
    x = 21,181,912,317,948,728/212,127,599.70
  6. Step 6: Final answer
    x = 99,854,579.73

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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.