Home / 80,643,609.70-120,888,000.15-26,763,187.30

Finding the Fourth Proportional to 80,643,609.70, 120,888,000.15 and 26,763,187.30

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Solution

The fourth proportional to 80,643,609.70, 120,888,000.15 and 26,763,187.30 is: 40,119,089.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,643,609.70 : 120,888,000.15 = 26,763,187.30 : x
  2. Step 2: Convert to fraction form
    80,643,609.70/120,888,000.15 = 26,763,187.30/x
  3. Step 3: Cross multiply
    80,643,609.70x = 120,888,000.15 × 26,763,187.30
  4. Step 4: Simplify right side
    80,643,609.70x = 3,235,348,190,336,878.50
  5. Step 5: Solve for x
    x = 3,235,348,190,336,878.50/80,643,609.70
  6. Step 6: Final answer
    x = 40,119,089.44

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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.