Home / 49,931,044.80-74,893,577.82-20,777,520.75

Finding the Fourth Proportional to 49,931,044.80, 74,893,577.82 and 20,777,520.75

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Solution

The fourth proportional to 49,931,044.80, 74,893,577.82 and 20,777,520.75 is: 31,165,037.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,931,044.80 : 74,893,577.82 = 20,777,520.75 : x
  2. Step 2: Convert to fraction form
    49,931,044.80/74,893,577.82 = 20,777,520.75/x
  3. Step 3: Cross multiply
    49,931,044.80x = 74,893,577.82 × 20,777,520.75
  4. Step 4: Simplify right side
    49,931,044.80x = 1,556,102,867,196,789.50
  5. Step 5: Solve for x
    x = 1,556,102,867,196,789.50/49,931,044.80
  6. Step 6: Final answer
    x = 31,165,037.17

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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.