Home / 52,112,543.82-71,915,634.99-28,909,141.26

Finding the Fourth Proportional to 52,112,543.82, 71,915,634.99 and 28,909,141.26

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Solution

The fourth proportional to 52,112,543.82, 71,915,634.99 and 28,909,141.26 is: 39,894,794.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,112,543.82 : 71,915,634.99 = 28,909,141.26 : x
  2. Step 2: Convert to fraction form
    52,112,543.82/71,915,634.99 = 28,909,141.26/x
  3. Step 3: Cross multiply
    52,112,543.82x = 71,915,634.99 × 28,909,141.26
  4. Step 4: Simplify right side
    52,112,543.82x = 2,079,019,250,728,508.75
  5. Step 5: Solve for x
    x = 2,079,019,250,728,508.75/52,112,543.82
  6. Step 6: Final answer
    x = 39,894,794.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.