Home / 108,103,209.66-162,413,503.92-69,317,651.34

Finding the Fourth Proportional to 108,103,209.66, 162,413,503.92 and 69,317,651.34

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Solution

The fourth proportional to 108,103,209.66, 162,413,503.92 and 69,317,651.34 is: 104,142,353.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,103,209.66 : 162,413,503.92 = 69,317,651.34 : x
  2. Step 2: Convert to fraction form
    108,103,209.66/162,413,503.92 = 69,317,651.34/x
  3. Step 3: Cross multiply
    108,103,209.66x = 162,413,503.92 × 69,317,651.34
  4. Step 4: Simplify right side
    108,103,209.66x = 11,258,122,637,634,282
  5. Step 5: Solve for x
    x = 11,258,122,637,634,282/108,103,209.66
  6. Step 6: Final answer
    x = 104,142,353.16

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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.