Home / 199,588,519.20-299,382,778.80-170,363,200.80

Finding the Fourth Proportional to 199,588,519.20, 299,382,778.80 and 170,363,200.80

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Solution

The fourth proportional to 199,588,519.20, 299,382,778.80 and 170,363,200.80 is: 255,544,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,588,519.20 : 299,382,778.80 = 170,363,200.80 : x
  2. Step 2: Convert to fraction form
    199,588,519.20/299,382,778.80 = 170,363,200.80/x
  3. Step 3: Cross multiply
    199,588,519.20x = 299,382,778.80 × 170,363,200.80
  4. Step 4: Simplify right side
    199,588,519.20x = 51,003,808,460,766,392
  5. Step 5: Solve for x
    x = 51,003,808,460,766,392/199,588,519.20
  6. Step 6: Final answer
    x = 255,544,801.20

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1.5x scale

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.