Home / 194,147,560.80-291,221,341.20-139,940,578.80

Finding the Fourth Proportional to 194,147,560.80, 291,221,341.20 and 139,940,578.80

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Solution

The fourth proportional to 194,147,560.80, 291,221,341.20 and 139,940,578.80 is: 209,910,868.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,147,560.80 : 291,221,341.20 = 139,940,578.80 : x
  2. Step 2: Convert to fraction form
    194,147,560.80/291,221,341.20 = 139,940,578.80/x
  3. Step 3: Cross multiply
    194,147,560.80x = 291,221,341.20 × 139,940,578.80
  4. Step 4: Simplify right side
    194,147,560.80x = 40,753,683,046,440,288
  5. Step 5: Solve for x
    x = 40,753,683,046,440,288/194,147,560.80
  6. Step 6: Final answer
    x = 209,910,868.20

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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.