Home / 198,521,719.80-297,782,579.70-152,605,217.40

Finding the Fourth Proportional to 198,521,719.80, 297,782,579.70 and 152,605,217.40

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Solution

The fourth proportional to 198,521,719.80, 297,782,579.70 and 152,605,217.40 is: 228,907,826.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,521,719.80 : 297,782,579.70 = 152,605,217.40 : x
  2. Step 2: Convert to fraction form
    198,521,719.80/297,782,579.70 = 152,605,217.40/x
  3. Step 3: Cross multiply
    198,521,719.80x = 297,782,579.70 × 152,605,217.40
  4. Step 4: Simplify right side
    198,521,719.80x = 45,443,175,313,051,328
  5. Step 5: Solve for x
    x = 45,443,175,313,051,328/198,521,719.80
  6. Step 6: Final answer
    x = 228,907,826.10

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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.