Home / 71,069,238.72-106,646,315.04-65,287,108.80

Finding the Fourth Proportional to 71,069,238.72, 106,646,315.04 and 65,287,108.80

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Solution

The fourth proportional to 71,069,238.72, 106,646,315.04 and 65,287,108.80 is: 97,969,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,069,238.72 : 106,646,315.04 = 65,287,108.80 : x
  2. Step 2: Convert to fraction form
    71,069,238.72/106,646,315.04 = 65,287,108.80/x
  3. Step 3: Cross multiply
    71,069,238.72x = 106,646,315.04 × 65,287,108.80
  4. Step 4: Simplify right side
    71,069,238.72x = 6,962,629,573,135,556
  5. Step 5: Solve for x
    x = 6,962,629,573,135,556/71,069,238.72
  6. Step 6: Final answer
    x = 97,969,665.90

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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.