Home / 80,642,654.80-120,963,982.20-29,526,341.20

Finding the Fourth Proportional to 80,642,654.80, 120,963,982.20 and 29,526,341.20

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Solution

The fourth proportional to 80,642,654.80, 120,963,982.20 and 29,526,341.20 is: 44,289,511.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,642,654.80 : 120,963,982.20 = 29,526,341.20 : x
  2. Step 2: Convert to fraction form
    80,642,654.80/120,963,982.20 = 29,526,341.20/x
  3. Step 3: Cross multiply
    80,642,654.80x = 120,963,982.20 × 29,526,341.20
  4. Step 4: Simplify right side
    80,642,654.80x = 3,571,623,811,347,926.50
  5. Step 5: Solve for x
    x = 3,571,623,811,347,926.50/80,642,654.80
  6. Step 6: Final answer
    x = 44,289,511.80

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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.