Home / 55,172,542.70-82,758,814.05-49,114,115.30

Finding the Fourth Proportional to 55,172,542.70, 82,758,814.05 and 49,114,115.30

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Solution

The fourth proportional to 55,172,542.70, 82,758,814.05 and 49,114,115.30 is: 73,671,172.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,172,542.70 : 82,758,814.05 = 49,114,115.30 : x
  2. Step 2: Convert to fraction form
    55,172,542.70/82,758,814.05 = 49,114,115.30/x
  3. Step 3: Cross multiply
    55,172,542.70x = 82,758,814.05 × 49,114,115.30
  4. Step 4: Simplify right side
    55,172,542.70x = 4,064,625,935,342,959.50
  5. Step 5: Solve for x
    x = 4,064,625,935,342,959.50/55,172,542.70
  6. Step 6: Final answer
    x = 73,671,172.95

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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.