Home / 218,269,265.20-327,403,897.80-189,571,451.20

Finding the Fourth Proportional to 218,269,265.20, 327,403,897.80 and 189,571,451.20

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Solution

The fourth proportional to 218,269,265.20, 327,403,897.80 and 189,571,451.20 is: 284,357,176.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,269,265.20 : 327,403,897.80 = 189,571,451.20 : x
  2. Step 2: Convert to fraction form
    218,269,265.20/327,403,897.80 = 189,571,451.20/x
  3. Step 3: Cross multiply
    218,269,265.20x = 327,403,897.80 × 189,571,451.20
  4. Step 4: Simplify right side
    218,269,265.20x = 62,066,432,034,482,488
  5. Step 5: Solve for x
    x = 62,066,432,034,482,488/218,269,265.20
  6. Step 6: Final answer
    x = 284,357,176.80

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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.