Home / 108,094,271.52-149,180,764.62-61,691,467.80

Finding the Fourth Proportional to 108,094,271.52, 149,180,764.62 and 61,691,467.80

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Solution

The fourth proportional to 108,094,271.52, 149,180,764.62 and 61,691,467.80 is: 85,140,315.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,094,271.52 : 149,180,764.62 = 61,691,467.80 : x
  2. Step 2: Convert to fraction form
    108,094,271.52/149,180,764.62 = 61,691,467.80/x
  3. Step 3: Cross multiply
    108,094,271.52x = 149,180,764.62 × 61,691,467.80
  4. Step 4: Simplify right side
    108,094,271.52x = 9,203,180,336,934,110
  5. Step 5: Solve for x
    x = 9,203,180,336,934,110/108,094,271.52
  6. Step 6: Final answer
    x = 85,140,315.09

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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.