Home / 198,763,624.11-298,281,624.80-69,371,234.20

Finding the Fourth Proportional to 198,763,624.11, 298,281,624.80 and 69,371,234.20

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Solution

The fourth proportional to 198,763,624.11, 298,281,624.80 and 69,371,234.20 is: 104,104,383.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,763,624.11 : 298,281,624.80 = 69,371,234.20 : x
  2. Step 2: Convert to fraction form
    198,763,624.11/298,281,624.80 = 69,371,234.20/x
  3. Step 3: Cross multiply
    198,763,624.11x = 298,281,624.80 × 69,371,234.20
  4. Step 4: Simplify right side
    198,763,624.11x = 20,692,164,451,557,328
  5. Step 5: Solve for x
    x = 20,692,164,451,557,328/198,763,624.11
  6. Step 6: Final answer
    x = 104,104,383.00

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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.