Home / 49,982,472.20-74,973,708.30-47,148,120.20

Finding the Fourth Proportional to 49,982,472.20, 74,973,708.30 and 47,148,120.20

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Solution

The fourth proportional to 49,982,472.20, 74,973,708.30 and 47,148,120.20 is: 70,722,180.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,982,472.20 : 74,973,708.30 = 47,148,120.20 : x
  2. Step 2: Convert to fraction form
    49,982,472.20/74,973,708.30 = 47,148,120.20/x
  3. Step 3: Cross multiply
    49,982,472.20x = 74,973,708.30 × 47,148,120.20
  4. Step 4: Simplify right side
    49,982,472.20x = 3,534,869,410,768,137.50
  5. Step 5: Solve for x
    x = 3,534,869,410,768,137.50/49,982,472.20
  6. Step 6: Final answer
    x = 70,722,180.30

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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.