Home / 108,601,870.40-162,906,742.20-31,932,648.80

Finding the Fourth Proportional to 108,601,870.40, 162,906,742.20 and 31,932,648.80

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Solution

The fourth proportional to 108,601,870.40, 162,906,742.20 and 31,932,648.80 is: 47,900,130.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,601,870.40 : 162,906,742.20 = 31,932,648.80 : x
  2. Step 2: Convert to fraction form
    108,601,870.40/162,906,742.20 = 31,932,648.80/x
  3. Step 3: Cross multiply
    108,601,870.40x = 162,906,742.20 × 31,932,648.80
  4. Step 4: Simplify right side
    108,601,870.40x = 5,202,043,785,824,739
  5. Step 5: Solve for x
    x = 5,202,043,785,824,739/108,601,870.40
  6. Step 6: Final answer
    x = 47,900,130.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.