Home / 133,140,123.60-199,568,467.80-51,227,350.80

Finding the Fourth Proportional to 133,140,123.60, 199,568,467.80 and 51,227,350.80

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Solution

The fourth proportional to 133,140,123.60, 199,568,467.80 and 51,227,350.80 is: 76,786,498.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,140,123.60 : 199,568,467.80 = 51,227,350.80 : x
  2. Step 2: Convert to fraction form
    133,140,123.60/199,568,467.80 = 51,227,350.80/x
  3. Step 3: Cross multiply
    133,140,123.60x = 199,568,467.80 × 51,227,350.80
  4. Step 4: Simplify right side
    133,140,123.60x = 10,223,363,908,609,104
  5. Step 5: Solve for x
    x = 10,223,363,908,609,104/133,140,123.60
  6. Step 6: Final answer
    x = 76,786,498.56

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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.