Home / 198,974,942.27-298,490,319.98-69,553,115.54

Finding the Fourth Proportional to 198,974,942.27, 298,490,319.98 and 69,553,115.54

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Solution

The fourth proportional to 198,974,942.27, 298,490,319.98 and 69,553,115.54 is: 104,339,428.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,974,942.27 : 298,490,319.98 = 69,553,115.54 : x
  2. Step 2: Convert to fraction form
    198,974,942.27/298,490,319.98 = 69,553,115.54/x
  3. Step 3: Cross multiply
    198,974,942.27x = 298,490,319.98 × 69,553,115.54
  4. Step 4: Simplify right side
    198,974,942.27x = 20,760,931,712,680,452
  5. Step 5: Solve for x
    x = 20,760,931,712,680,452/198,974,942.27
  6. Step 6: Final answer
    x = 104,339,428.25

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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.