Home / 199,712,535.60-299,568,803.40-122,786,122.80

Finding the Fourth Proportional to 199,712,535.60, 299,568,803.40 and 122,786,122.80

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Solution

The fourth proportional to 199,712,535.60, 299,568,803.40 and 122,786,122.80 is: 184,179,184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,712,535.60 : 299,568,803.40 = 122,786,122.80 : x
  2. Step 2: Convert to fraction form
    199,712,535.60/299,568,803.40 = 122,786,122.80/x
  3. Step 3: Cross multiply
    199,712,535.60x = 299,568,803.40 × 122,786,122.80
  4. Step 4: Simplify right side
    199,712,535.60x = 36,782,891,881,321,456
  5. Step 5: Solve for x
    x = 36,782,891,881,321,456/199,712,535.60
  6. Step 6: Final answer
    x = 184,179,184.20

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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.