Home / 45,493,722.60-68,240,583.90-30,188,221.80

Finding the Fourth Proportional to 45,493,722.60, 68,240,583.90 and 30,188,221.80

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Solution

The fourth proportional to 45,493,722.60, 68,240,583.90 and 30,188,221.80 is: 45,282,332.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,493,722.60 : 68,240,583.90 = 30,188,221.80 : x
  2. Step 2: Convert to fraction form
    45,493,722.60/68,240,583.90 = 30,188,221.80/x
  3. Step 3: Cross multiply
    45,493,722.60x = 68,240,583.90 × 30,188,221.80
  4. Step 4: Simplify right side
    45,493,722.60x = 2,060,061,882,534,709.25
  5. Step 5: Solve for x
    x = 2,060,061,882,534,709.25/45,493,722.60
  6. Step 6: Final answer
    x = 45,282,332.70

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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.