Home / 218,324,966.70-327,407,733.90-72,763,276.80

Finding the Fourth Proportional to 218,324,966.70, 327,407,733.90 and 72,763,276.80

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Solution

The fourth proportional to 218,324,966.70, 327,407,733.90 and 72,763,276.80 is: 109,118,347.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,324,966.70 : 327,407,733.90 = 72,763,276.80 : x
  2. Step 2: Convert to fraction form
    218,324,966.70/327,407,733.90 = 72,763,276.80/x
  3. Step 3: Cross multiply
    218,324,966.70x = 327,407,733.90 × 72,763,276.80
  4. Step 4: Simplify right side
    218,324,966.70x = 23,823,259,568,226,440
  5. Step 5: Solve for x
    x = 23,823,259,568,226,440/218,324,966.70
  6. Step 6: Final answer
    x = 109,118,347.43

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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.