Home / 103,476,078.30-155,214,117.45-71,227,451.10

Finding the Fourth Proportional to 103,476,078.30, 155,214,117.45 and 71,227,451.10

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Solution

The fourth proportional to 103,476,078.30, 155,214,117.45 and 71,227,451.10 is: 106,841,176.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,476,078.30 : 155,214,117.45 = 71,227,451.10 : x
  2. Step 2: Convert to fraction form
    103,476,078.30/155,214,117.45 = 71,227,451.10/x
  3. Step 3: Cross multiply
    103,476,078.30x = 155,214,117.45 × 71,227,451.10
  4. Step 4: Simplify right side
    103,476,078.30x = 11,055,505,960,699,530
  5. Step 5: Solve for x
    x = 11,055,505,960,699,530/103,476,078.30
  6. Step 6: Final answer
    x = 106,841,176.65

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Double scale
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Similar ratio
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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.