Home / 333,432,729.60-500,103,691.20-87,768,792.96

Finding the Fourth Proportional to 333,432,729.60, 500,103,691.20 and 87,768,792.96

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Solution

The fourth proportional to 333,432,729.60, 500,103,691.20 and 87,768,792.96 is: 131,641,238.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,432,729.60 : 500,103,691.20 = 87,768,792.96 : x
  2. Step 2: Convert to fraction form
    333,432,729.60/500,103,691.20 = 87,768,792.96/x
  3. Step 3: Cross multiply
    333,432,729.60x = 500,103,691.20 × 87,768,792.96
  4. Step 4: Simplify right side
    333,432,729.60x = 43,893,497,331,464,568
  5. Step 5: Solve for x
    x = 43,893,497,331,464,568/333,432,729.60
  6. Step 6: Final answer
    x = 131,641,238.05

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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.