Home / 87,054,189.89-120,135,735.55-47,361,946.26

Finding the Fourth Proportional to 87,054,189.89, 120,135,735.55 and 47,361,946.26

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Solution

The fourth proportional to 87,054,189.89, 120,135,735.55 and 47,361,946.26 is: 65,360,004.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,054,189.89 : 120,135,735.55 = 47,361,946.26 : x
  2. Step 2: Convert to fraction form
    87,054,189.89/120,135,735.55 = 47,361,946.26/x
  3. Step 3: Cross multiply
    87,054,189.89x = 120,135,735.55 × 47,361,946.26
  4. Step 4: Simplify right side
    87,054,189.89x = 5,689,862,250,423,993
  5. Step 5: Solve for x
    x = 5,689,862,250,423,993/87,054,189.89
  6. Step 6: Final answer
    x = 65,360,004.59

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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.