Home / 80,648,999.20-120,973,498.80-26,796,311.20

Finding the Fourth Proportional to 80,648,999.20, 120,973,498.80 and 26,796,311.20

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Solution

The fourth proportional to 80,648,999.20, 120,973,498.80 and 26,796,311.20 is: 40,194,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,648,999.20 : 120,973,498.80 = 26,796,311.20 : x
  2. Step 2: Convert to fraction form
    80,648,999.20/120,973,498.80 = 26,796,311.20/x
  3. Step 3: Cross multiply
    80,648,999.20x = 120,973,498.80 × 26,796,311.20
  4. Step 4: Simplify right side
    80,648,999.20x = 3,241,643,520,797,626.50
  5. Step 5: Solve for x
    x = 3,241,643,520,797,626.50/80,648,999.20
  6. Step 6: Final answer
    x = 40,194,466.80

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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.