Home / 198,419,992.80-297,639,320.40-62,109,823.20

Finding the Fourth Proportional to 198,419,992.80, 297,639,320.40 and 62,109,823.20

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Solution

The fourth proportional to 198,419,992.80, 297,639,320.40 and 62,109,823.20 is: 93,167,655.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,419,992.80 : 297,639,320.40 = 62,109,823.20 : x
  2. Step 2: Convert to fraction form
    198,419,992.80/297,639,320.40 = 62,109,823.20/x
  3. Step 3: Cross multiply
    198,419,992.80x = 297,639,320.40 × 62,109,823.20
  4. Step 4: Simplify right side
    198,419,992.80x = 18,486,325,567,412,152
  5. Step 5: Solve for x
    x = 18,486,325,567,412,152/198,419,992.80
  6. Step 6: Final answer
    x = 93,167,655.67

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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.