Home / 49,856,611.20-74,790,748.80-15,781,401.60

Finding the Fourth Proportional to 49,856,611.20, 74,790,748.80 and 15,781,401.60

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Solution

The fourth proportional to 49,856,611.20, 74,790,748.80 and 15,781,401.60 is: 23,673,948.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,856,611.20 : 74,790,748.80 = 15,781,401.60 : x
  2. Step 2: Convert to fraction form
    49,856,611.20/74,790,748.80 = 15,781,401.60/x
  3. Step 3: Cross multiply
    49,856,611.20x = 74,790,748.80 × 15,781,401.60
  4. Step 4: Simplify right side
    49,856,611.20x = 1,180,302,842,777,518
  5. Step 5: Solve for x
    x = 1,180,302,842,777,518/49,856,611.20
  6. Step 6: Final answer
    x = 23,673,948.44

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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.