Home / 102,142,019.30-153,201,711.20-36,560,537.78

Finding the Fourth Proportional to 102,142,019.30, 153,201,711.20 and 36,560,537.78

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Solution

The fourth proportional to 102,142,019.30, 153,201,711.20 and 36,560,537.78 is: 54,836,755.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,142,019.30 : 153,201,711.20 = 36,560,537.78 : x
  2. Step 2: Convert to fraction form
    102,142,019.30/153,201,711.20 = 36,560,537.78/x
  3. Step 3: Cross multiply
    102,142,019.30x = 153,201,711.20 × 36,560,537.78
  4. Step 4: Simplify right side
    102,142,019.30x = 5,601,136,950,288,249
  5. Step 5: Solve for x
    x = 5,601,136,950,288,249/102,142,019.30
  6. Step 6: Final answer
    x = 54,836,755.61

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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.