Home / 230,520,992.87-345,805,705.47-75,086,912.81

Finding the Fourth Proportional to 230,520,992.87, 345,805,705.47 and 75,086,912.81

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Solution

The fourth proportional to 230,520,992.87, 345,805,705.47 and 75,086,912.81 is: 112,638,257.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,520,992.87 : 345,805,705.47 = 75,086,912.81 : x
  2. Step 2: Convert to fraction form
    230,520,992.87/345,805,705.47 = 75,086,912.81/x
  3. Step 3: Cross multiply
    230,520,992.87x = 345,805,705.47 × 75,086,912.81
  4. Step 4: Simplify right side
    230,520,992.87x = 25,965,482,854,097,408
  5. Step 5: Solve for x
    x = 25,965,482,854,097,408/230,520,992.87
  6. Step 6: Final answer
    x = 112,638,257.07

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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.