Home / 201,471,025.20-302,172,730.80-55,919,373.36

Finding the Fourth Proportional to 201,471,025.20, 302,172,730.80 and 55,919,373.36

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Solution

The fourth proportional to 201,471,025.20, 302,172,730.80 and 55,919,373.36 is: 83,869,676.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,471,025.20 : 302,172,730.80 = 55,919,373.36 : x
  2. Step 2: Convert to fraction form
    201,471,025.20/302,172,730.80 = 55,919,373.36/x
  3. Step 3: Cross multiply
    201,471,025.20x = 302,172,730.80 × 55,919,373.36
  4. Step 4: Simplify right side
    201,471,025.20x = 16,897,309,752,815,972
  5. Step 5: Solve for x
    x = 16,897,309,752,815,972/201,471,025.20
  6. Step 6: Final answer
    x = 83,869,676.72

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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.