Home / 48,751,378.60-73,145,730.30-47,986,220.20

Finding the Fourth Proportional to 48,751,378.60, 73,145,730.30 and 47,986,220.20

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Solution

The fourth proportional to 48,751,378.60, 73,145,730.30 and 47,986,220.20 is: 71,997,699.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,751,378.60 : 73,145,730.30 = 47,986,220.20 : x
  2. Step 2: Convert to fraction form
    48,751,378.60/73,145,730.30 = 47,986,220.20/x
  3. Step 3: Cross multiply
    48,751,378.60x = 73,145,730.30 × 47,986,220.20
  4. Step 4: Simplify right side
    48,751,378.60x = 3,509,987,120,865,612
  5. Step 5: Solve for x
    x = 3,509,987,120,865,612/48,751,378.60
  6. Step 6: Final answer
    x = 71,997,699.79

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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.