Home / 45,480,108.80-68,220,163.20-13,133,066.60

Finding the Fourth Proportional to 45,480,108.80, 68,220,163.20 and 13,133,066.60

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Solution

The fourth proportional to 45,480,108.80, 68,220,163.20 and 13,133,066.60 is: 19,699,599.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,480,108.80 : 68,220,163.20 = 13,133,066.60 : x
  2. Step 2: Convert to fraction form
    45,480,108.80/68,220,163.20 = 13,133,066.60/x
  3. Step 3: Cross multiply
    45,480,108.80x = 68,220,163.20 × 13,133,066.60
  4. Step 4: Simplify right side
    45,480,108.80x = 895,939,946,768,469.12
  5. Step 5: Solve for x
    x = 895,939,946,768,469.12/45,480,108.80
  6. Step 6: Final answer
    x = 19,699,599.90

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Similar ratio
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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.