Home / 87,660,709.92-120,975,348.96-48,501,852.48

Finding the Fourth Proportional to 87,660,709.92, 120,975,348.96 and 48,501,852.48

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Solution

The fourth proportional to 87,660,709.92, 120,975,348.96 and 48,501,852.48 is: 66,934,531.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,660,709.92 : 120,975,348.96 = 48,501,852.48 : x
  2. Step 2: Convert to fraction form
    87,660,709.92/120,975,348.96 = 48,501,852.48/x
  3. Step 3: Cross multiply
    87,660,709.92x = 120,975,348.96 × 48,501,852.48
  4. Step 4: Simplify right side
    87,660,709.92x = 5,867,528,528,974,441
  5. Step 5: Solve for x
    x = 5,867,528,528,974,441/87,660,709.92
  6. Step 6: Final answer
    x = 66,934,531.27

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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.