Home / 199,712,469.60-299,568,704.40-122,786,056.80

Finding the Fourth Proportional to 199,712,469.60, 299,568,704.40 and 122,786,056.80

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Solution

The fourth proportional to 199,712,469.60, 299,568,704.40 and 122,786,056.80 is: 184,179,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,712,469.60 : 299,568,704.40 = 122,786,056.80 : x
  2. Step 2: Convert to fraction form
    199,712,469.60/299,568,704.40 = 122,786,056.80/x
  3. Step 3: Cross multiply
    199,712,469.60x = 299,568,704.40 × 122,786,056.80
  4. Step 4: Simplify right side
    199,712,469.60x = 36,782,859,953,960,808
  5. Step 5: Solve for x
    x = 36,782,859,953,960,808/199,712,469.60
  6. Step 6: Final answer
    x = 184,179,085.20

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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.