Home / 72,606,166.20-108,867,258.90-27,172,553.40

Finding the Fourth Proportional to 72,606,166.20, 108,867,258.90 and 27,172,553.40

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Solution

The fourth proportional to 72,606,166.20, 108,867,258.90 and 27,172,553.40 is: 40,743,115.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,606,166.20 : 108,867,258.90 = 27,172,553.40 : x
  2. Step 2: Convert to fraction form
    72,606,166.20/108,867,258.90 = 27,172,553.40/x
  3. Step 3: Cross multiply
    72,606,166.20x = 108,867,258.90 × 27,172,553.40
  4. Step 4: Simplify right side
    72,606,166.20x = 2,958,201,405,971,875.50
  5. Step 5: Solve for x
    x = 2,958,201,405,971,875.50/72,606,166.20
  6. Step 6: Final answer
    x = 40,743,115.37

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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.