Home / 201,471,026.20-302,172,732.30-55,919,374.36

Finding the Fourth Proportional to 201,471,026.20, 302,172,732.30 and 55,919,374.36

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Solution

The fourth proportional to 201,471,026.20, 302,172,732.30 and 55,919,374.36 is: 83,869,678.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,471,026.20 : 302,172,732.30 = 55,919,374.36 : x
  2. Step 2: Convert to fraction form
    201,471,026.20/302,172,732.30 = 55,919,374.36/x
  3. Step 3: Cross multiply
    201,471,026.20x = 302,172,732.30 × 55,919,374.36
  4. Step 4: Simplify right side
    201,471,026.20x = 16,897,310,138,867,764
  5. Step 5: Solve for x
    x = 16,897,310,138,867,764/201,471,026.20
  6. Step 6: Final answer
    x = 83,869,678.22

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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.