Home / 170,100,461.20-255,150,691.80-161,142,509.20

Finding the Fourth Proportional to 170,100,461.20, 255,150,691.80 and 161,142,509.20

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Solution

The fourth proportional to 170,100,461.20, 255,150,691.80 and 161,142,509.20 is: 241,713,763.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,100,461.20 : 255,150,691.80 = 161,142,509.20 : x
  2. Step 2: Convert to fraction form
    170,100,461.20/255,150,691.80 = 161,142,509.20/x
  3. Step 3: Cross multiply
    170,100,461.20x = 255,150,691.80 × 161,142,509.20
  4. Step 4: Simplify right side
    170,100,461.20x = 41,115,622,700,767,864
  5. Step 5: Solve for x
    x = 41,115,622,700,767,864/170,100,461.20
  6. Step 6: Final answer
    x = 241,713,763.80

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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.