Home / 108,103,189.03-162,413,472.87-69,317,630.69

Finding the Fourth Proportional to 108,103,189.03, 162,413,472.87 and 69,317,630.69

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Solution

The fourth proportional to 108,103,189.03, 162,413,472.87 and 69,317,630.69 is: 104,142,322.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,103,189.03 : 162,413,472.87 = 69,317,630.69 : x
  2. Step 2: Convert to fraction form
    108,103,189.03/162,413,472.87 = 69,317,630.69/x
  3. Step 3: Cross multiply
    108,103,189.03x = 162,413,472.87 × 69,317,630.69
  4. Step 4: Simplify right side
    108,103,189.03x = 11,258,117,132,293,454
  5. Step 5: Solve for x
    x = 11,258,117,132,293,454/108,103,189.03
  6. Step 6: Final answer
    x = 104,142,322.11

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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.