Home / 108,103,203.30-162,413,494.37-69,317,644.95

Finding the Fourth Proportional to 108,103,203.30, 162,413,494.37 and 69,317,644.95

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Solution

The fourth proportional to 108,103,203.30, 162,413,494.37 and 69,317,644.95 is: 104,142,343.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,103,203.30 : 162,413,494.37 = 69,317,644.95 : x
  2. Step 2: Convert to fraction form
    108,103,203.30/162,413,494.37 = 69,317,644.95/x
  3. Step 3: Cross multiply
    108,103,203.30x = 162,413,494.37 × 69,317,644.95
  4. Step 4: Simplify right side
    108,103,203.30x = 11,258,120,937,481,896
  5. Step 5: Solve for x
    x = 11,258,120,937,481,896/108,103,203.30
  6. Step 6: Final answer
    x = 104,142,343.56

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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.