Home / 87,022,289.25-120,093,031.22-47,865,093.08

Finding the Fourth Proportional to 87,022,289.25, 120,093,031.22 and 47,865,093.08

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Solution

The fourth proportional to 87,022,289.25, 120,093,031.22 and 47,865,093.08 is: 66,055,078.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,022,289.25 : 120,093,031.22 = 47,865,093.08 : x
  2. Step 2: Convert to fraction form
    87,022,289.25/120,093,031.22 = 47,865,093.08/x
  3. Step 3: Cross multiply
    87,022,289.25x = 120,093,031.22 × 47,865,093.08
  4. Step 4: Simplify right side
    87,022,289.25x = 5,748,264,116,764,856
  5. Step 5: Solve for x
    x = 5,748,264,116,764,856/87,022,289.25
  6. Step 6: Final answer
    x = 66,055,078.14

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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.