Home / 212,954,788.20-319,306,211.10-110,918,116.20

Finding the Fourth Proportional to 212,954,788.20, 319,306,211.10 and 110,918,116.20

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Solution

The fourth proportional to 212,954,788.20, 319,306,211.10 and 110,918,116.20 is: 166,311,561.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,954,788.20 : 319,306,211.10 = 110,918,116.20 : x
  2. Step 2: Convert to fraction form
    212,954,788.20/319,306,211.10 = 110,918,116.20/x
  3. Step 3: Cross multiply
    212,954,788.20x = 319,306,211.10 × 110,918,116.20
  4. Step 4: Simplify right side
    212,954,788.20x = 35,416,843,426,171,532
  5. Step 5: Solve for x
    x = 35,416,843,426,171,532/212,954,788.20
  6. Step 6: Final answer
    x = 166,311,561.84

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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.