Home / 149,513,005.92-206,327,989.20-82,532,004.72

Finding the Fourth Proportional to 149,513,005.92, 206,327,989.20 and 82,532,004.72

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Solution

The fourth proportional to 149,513,005.92, 206,327,989.20 and 82,532,004.72 is: 113,894,189.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,513,005.92 : 206,327,989.20 = 82,532,004.72 : x
  2. Step 2: Convert to fraction form
    149,513,005.92/206,327,989.20 = 82,532,004.72/x
  3. Step 3: Cross multiply
    149,513,005.92x = 206,327,989.20 × 82,532,004.72
  4. Step 4: Simplify right side
    149,513,005.92x = 17,028,662,578,522,508
  5. Step 5: Solve for x
    x = 17,028,662,578,522,508/149,513,005.92
  6. Step 6: Final answer
    x = 113,894,189.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.