Home / 279,089,153.17-418,645,287.24-82,352,559.77

Finding the Fourth Proportional to 279,089,153.17, 418,645,287.24 and 82,352,559.77

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Solution

The fourth proportional to 279,089,153.17, 418,645,287.24 and 82,352,559.77 is: 123,532,249.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,089,153.17 : 418,645,287.24 = 82,352,559.77 : x
  2. Step 2: Convert to fraction form
    279,089,153.17/418,645,287.24 = 82,352,559.77/x
  3. Step 3: Cross multiply
    279,089,153.17x = 418,645,287.24 × 82,352,559.77
  4. Step 4: Simplify right side
    279,089,153.17x = 34,476,511,037,355,932
  5. Step 5: Solve for x
    x = 34,476,511,037,355,932/279,089,153.17
  6. Step 6: Final answer
    x = 123,532,249.98

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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.