Home / 218,314,061.40-327,471,092.10-200,457,643.80

Finding the Fourth Proportional to 218,314,061.40, 327,471,092.10 and 200,457,643.80

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Solution

The fourth proportional to 218,314,061.40, 327,471,092.10 and 200,457,643.80 is: 300,686,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,314,061.40 : 327,471,092.10 = 200,457,643.80 : x
  2. Step 2: Convert to fraction form
    218,314,061.40/327,471,092.10 = 200,457,643.80/x
  3. Step 3: Cross multiply
    218,314,061.40x = 327,471,092.10 × 200,457,643.80
  4. Step 4: Simplify right side
    218,314,061.40x = 65,644,083,534,978,800
  5. Step 5: Solve for x
    x = 65,644,083,534,978,800/218,314,061.40
  6. Step 6: Final answer
    x = 300,686,465.70

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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.