Home / 198,086,155.65-297,137,286.50-50,537,549.79

Finding the Fourth Proportional to 198,086,155.65, 297,137,286.50 and 50,537,549.79

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Solution

The fourth proportional to 198,086,155.65, 297,137,286.50 and 50,537,549.79 is: 75,808,379.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,086,155.65 : 297,137,286.50 = 50,537,549.79 : x
  2. Step 2: Convert to fraction form
    198,086,155.65/297,137,286.50 = 50,537,549.79/x
  3. Step 3: Cross multiply
    198,086,155.65x = 297,137,286.50 × 50,537,549.79
  4. Step 4: Simplify right side
    198,086,155.65x = 15,016,590,410,706,558
  5. Step 5: Solve for x
    x = 15,016,590,410,706,558/198,086,155.65
  6. Step 6: Final answer
    x = 75,808,379.25

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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.