Home / 108,103,191.92-162,413,477.30-69,317,633.60

Finding the Fourth Proportional to 108,103,191.92, 162,413,477.30 and 69,317,633.60

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Solution

The fourth proportional to 108,103,191.92, 162,413,477.30 and 69,317,633.60 is: 104,142,326.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,103,191.92 : 162,413,477.30 = 69,317,633.60 : x
  2. Step 2: Convert to fraction form
    108,103,191.92/162,413,477.30 = 69,317,633.60/x
  3. Step 3: Cross multiply
    108,103,191.92x = 162,413,477.30 × 69,317,633.60
  4. Step 4: Simplify right side
    108,103,191.92x = 11,258,117,911,183,318
  5. Step 5: Solve for x
    x = 11,258,117,911,183,318/108,103,191.92
  6. Step 6: Final answer
    x = 104,142,326.52

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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.