Home / 55,002,016.20-82,377,053.10-28,044,179.40

Finding the Fourth Proportional to 55,002,016.20, 82,377,053.10 and 28,044,179.40

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Solution

The fourth proportional to 55,002,016.20, 82,377,053.10 and 28,044,179.40 is: 42,002,039.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,002,016.20 : 82,377,053.10 = 28,044,179.40 : x
  2. Step 2: Convert to fraction form
    55,002,016.20/82,377,053.10 = 28,044,179.40/x
  3. Step 3: Cross multiply
    55,002,016.20x = 82,377,053.10 × 28,044,179.40
  4. Step 4: Simplify right side
    55,002,016.20x = 2,310,196,855,579,726
  5. Step 5: Solve for x
    x = 2,310,196,855,579,726/55,002,016.20
  6. Step 6: Final answer
    x = 42,002,039.47

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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.