Home / 288,204,185.87-432,301,235.03-113,345,379.73

Finding the Fourth Proportional to 288,204,185.87, 432,301,235.03 and 113,345,379.73

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Solution

The fourth proportional to 288,204,185.87, 432,301,235.03 and 113,345,379.73 is: 170,016,085.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,204,185.87 : 432,301,235.03 = 113,345,379.73 : x
  2. Step 2: Convert to fraction form
    288,204,185.87/432,301,235.03 = 113,345,379.73/x
  3. Step 3: Cross multiply
    288,204,185.87x = 432,301,235.03 × 113,345,379.73
  4. Step 4: Simplify right side
    288,204,185.87x = 48,999,347,640,831,752
  5. Step 5: Solve for x
    x = 48,999,347,640,831,752/288,204,185.87
  6. Step 6: Final answer
    x = 170,016,085.97

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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.