Home / 110,855,620.80-166,283,431.20-90,700,228.80

Finding the Fourth Proportional to 110,855,620.80, 166,283,431.20 and 90,700,228.80

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Solution

The fourth proportional to 110,855,620.80, 166,283,431.20 and 90,700,228.80 is: 136,050,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,855,620.80 : 166,283,431.20 = 90,700,228.80 : x
  2. Step 2: Convert to fraction form
    110,855,620.80/166,283,431.20 = 90,700,228.80/x
  3. Step 3: Cross multiply
    110,855,620.80x = 166,283,431.20 × 90,700,228.80
  4. Step 4: Simplify right side
    110,855,620.80x = 15,081,945,255,489,056
  5. Step 5: Solve for x
    x = 15,081,945,255,489,056/110,855,620.80
  6. Step 6: Final answer
    x = 136,050,343.20

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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.