Home / 87,005,169.74-120,064,739.91-47,846,946.48

Finding the Fourth Proportional to 87,005,169.74, 120,064,739.91 and 47,846,946.48

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Solution

The fourth proportional to 87,005,169.74, 120,064,739.91 and 47,846,946.48 is: 66,027,469.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,005,169.74 : 120,064,739.91 = 47,846,946.48 : x
  2. Step 2: Convert to fraction form
    87,005,169.74/120,064,739.91 = 47,846,946.48/x
  3. Step 3: Cross multiply
    87,005,169.74x = 120,064,739.91 × 47,846,946.48
  4. Step 4: Simplify right side
    87,005,169.74x = 5,744,731,184,608,889
  5. Step 5: Solve for x
    x = 5,744,731,184,608,889/87,005,169.74
  6. Step 6: Final answer
    x = 66,027,469.43

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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.