Home / 108,103,192.53-162,413,478.20-69,317,634.21

Finding the Fourth Proportional to 108,103,192.53, 162,413,478.20 and 69,317,634.21

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Solution

The fourth proportional to 108,103,192.53, 162,413,478.20 and 69,317,634.21 is: 104,142,327.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,103,192.53 : 162,413,478.20 = 69,317,634.21 : x
  2. Step 2: Convert to fraction form
    108,103,192.53/162,413,478.20 = 69,317,634.21/x
  3. Step 3: Cross multiply
    108,103,192.53x = 162,413,478.20 × 69,317,634.21
  4. Step 4: Simplify right side
    108,103,192.53x = 11,258,118,072,641,408
  5. Step 5: Solve for x
    x = 11,258,118,072,641,408/108,103,192.53
  6. Step 6: Final answer
    x = 104,142,327.43

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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.