Home / 382,002,372.80-573,003,559.20-109,373,139.80

Finding the Fourth Proportional to 382,002,372.80, 573,003,559.20 and 109,373,139.80

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Solution

The fourth proportional to 382,002,372.80, 573,003,559.20 and 109,373,139.80 is: 164,059,709.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,002,372.80 : 573,003,559.20 = 109,373,139.80 : x
  2. Step 2: Convert to fraction form
    382,002,372.80/573,003,559.20 = 109,373,139.80/x
  3. Step 3: Cross multiply
    382,002,372.80x = 573,003,559.20 × 109,373,139.80
  4. Step 4: Simplify right side
    382,002,372.80x = 62,671,198,386,279,176
  5. Step 5: Solve for x
    x = 62,671,198,386,279,176/382,002,372.80
  6. Step 6: Final answer
    x = 164,059,709.70

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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.