Home / 260,957,799.80-391,436,699.70-107,524,878.20

Finding the Fourth Proportional to 260,957,799.80, 391,436,699.70 and 107,524,878.20

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Solution

The fourth proportional to 260,957,799.80, 391,436,699.70 and 107,524,878.20 is: 161,287,317.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,957,799.80 : 391,436,699.70 = 107,524,878.20 : x
  2. Step 2: Convert to fraction form
    260,957,799.80/391,436,699.70 = 107,524,878.20/x
  3. Step 3: Cross multiply
    260,957,799.80x = 391,436,699.70 × 107,524,878.20
  4. Step 4: Simplify right side
    260,957,799.80x = 42,089,183,458,252,480
  5. Step 5: Solve for x
    x = 42,089,183,458,252,480/260,957,799.80
  6. Step 6: Final answer
    x = 161,287,317.30

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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.