Home / 55,172,472.20-82,758,708.30-49,114,044.80

Finding the Fourth Proportional to 55,172,472.20, 82,758,708.30 and 49,114,044.80

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Solution

The fourth proportional to 55,172,472.20, 82,758,708.30 and 49,114,044.80 is: 73,671,067.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,172,472.20 : 82,758,708.30 = 49,114,044.80 : x
  2. Step 2: Convert to fraction form
    55,172,472.20/82,758,708.30 = 49,114,044.80/x
  3. Step 3: Cross multiply
    55,172,472.20x = 82,758,708.30 × 49,114,044.80
  4. Step 4: Simplify right side
    55,172,472.20x = 4,064,614,907,036,331.50
  5. Step 5: Solve for x
    x = 4,064,614,907,036,331.50/55,172,472.20
  6. Step 6: Final answer
    x = 73,671,067.20

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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.