Home / 53,489,100.70-80,233,651.05-52,985,215.90

Finding the Fourth Proportional to 53,489,100.70, 80,233,651.05 and 52,985,215.90

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Solution

The fourth proportional to 53,489,100.70, 80,233,651.05 and 52,985,215.90 is: 79,477,823.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,489,100.70 : 80,233,651.05 = 52,985,215.90 : x
  2. Step 2: Convert to fraction form
    53,489,100.70/80,233,651.05 = 52,985,215.90/x
  3. Step 3: Cross multiply
    53,489,100.70x = 80,233,651.05 × 52,985,215.90
  4. Step 4: Simplify right side
    53,489,100.70x = 4,251,197,323,329,511.50
  5. Step 5: Solve for x
    x = 4,251,197,323,329,511.50/53,489,100.70
  6. Step 6: Final answer
    x = 79,477,823.85

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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.