Home / 218,276,998.20-327,460,986.90-72,755,767.80

Finding the Fourth Proportional to 218,276,998.20, 327,460,986.90 and 72,755,767.80

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Solution

The fourth proportional to 218,276,998.20, 327,460,986.90 and 72,755,767.80 is: 109,148,814.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,276,998.20 : 327,460,986.90 = 72,755,767.80 : x
  2. Step 2: Convert to fraction form
    218,276,998.20/327,460,986.90 = 72,755,767.80/x
  3. Step 3: Cross multiply
    218,276,998.20x = 327,460,986.90 × 72,755,767.80
  4. Step 4: Simplify right side
    218,276,998.20x = 23,824,675,526,455,240
  5. Step 5: Solve for x
    x = 23,824,675,526,455,240/218,276,998.20
  6. Step 6: Final answer
    x = 109,148,814.23

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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.