Home / 218,282,675.40-327,424,013.10-198,194,205.60

Finding the Fourth Proportional to 218,282,675.40, 327,424,013.10 and 198,194,205.60

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Solution

The fourth proportional to 218,282,675.40, 327,424,013.10 and 198,194,205.60 is: 297,291,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,282,675.40 : 327,424,013.10 = 198,194,205.60 : x
  2. Step 2: Convert to fraction form
    218,282,675.40/327,424,013.10 = 198,194,205.60/x
  3. Step 3: Cross multiply
    218,282,675.40x = 327,424,013.10 × 198,194,205.60
  4. Step 4: Simplify right side
    218,282,675.40x = 64,893,542,170,718,496
  5. Step 5: Solve for x
    x = 64,893,542,170,718,496/218,282,675.40
  6. Step 6: Final answer
    x = 297,291,308.40

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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.