Home / 108,237,258.72-162,338,605.38-31,542,347.16

Finding the Fourth Proportional to 108,237,258.72, 162,338,605.38 and 31,542,347.16

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Solution

The fourth proportional to 108,237,258.72, 162,338,605.38 and 31,542,347.16 is: 47,308,484.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,237,258.72 : 162,338,605.38 = 31,542,347.16 : x
  2. Step 2: Convert to fraction form
    108,237,258.72/162,338,605.38 = 31,542,347.16/x
  3. Step 3: Cross multiply
    108,237,258.72x = 162,338,605.38 × 31,542,347.16
  4. Step 4: Simplify right side
    108,237,258.72x = 5,120,540,648,366,204
  5. Step 5: Solve for x
    x = 5,120,540,648,366,204/108,237,258.72
  6. Step 6: Final answer
    x = 47,308,484.24

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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.