Home / 198,144,220.60-297,216,330.90-149,771,279.80

Finding the Fourth Proportional to 198,144,220.60, 297,216,330.90 and 149,771,279.80

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Solution

The fourth proportional to 198,144,220.60, 297,216,330.90 and 149,771,279.80 is: 224,656,919.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,144,220.60 : 297,216,330.90 = 149,771,279.80 : x
  2. Step 2: Convert to fraction form
    198,144,220.60/297,216,330.90 = 149,771,279.80/x
  3. Step 3: Cross multiply
    198,144,220.60x = 297,216,330.90 × 149,771,279.80
  4. Step 4: Simplify right side
    198,144,220.60x = 44,514,470,256,353,288
  5. Step 5: Solve for x
    x = 44,514,470,256,353,288/198,144,220.60
  6. Step 6: Final answer
    x = 224,656,919.70

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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.