Home / 133,140,131.60-199,568,479.80-51,227,358.80

Finding the Fourth Proportional to 133,140,131.60, 199,568,479.80 and 51,227,358.80

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Solution

The fourth proportional to 133,140,131.60, 199,568,479.80 and 51,227,358.80 is: 76,786,510.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,140,131.60 : 199,568,479.80 = 51,227,358.80 : x
  2. Step 2: Convert to fraction form
    133,140,131.60/199,568,479.80 = 51,227,358.80/x
  3. Step 3: Cross multiply
    133,140,131.60x = 199,568,479.80 × 51,227,358.80
  4. Step 4: Simplify right side
    133,140,131.60x = 10,223,366,119,885,152
  5. Step 5: Solve for x
    x = 10,223,366,119,885,152/133,140,131.60
  6. Step 6: Final answer
    x = 76,786,510.55

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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.