Home / 324,807,933.60-487,017,327.87-103,383,631.44

Finding the Fourth Proportional to 324,807,933.60, 487,017,327.87 and 103,383,631.44

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Solution

The fourth proportional to 324,807,933.60, 487,017,327.87 and 103,383,631.44 is: 155,013,516.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,807,933.60 : 487,017,327.87 = 103,383,631.44 : x
  2. Step 2: Convert to fraction form
    324,807,933.60/487,017,327.87 = 103,383,631.44/x
  3. Step 3: Cross multiply
    324,807,933.60x = 487,017,327.87 × 103,383,631.44
  4. Step 4: Simplify right side
    324,807,933.60x = 50,349,619,929,405,720
  5. Step 5: Solve for x
    x = 50,349,619,929,405,720/324,807,933.60
  6. Step 6: Final answer
    x = 155,013,516.36

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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.