Home / 72,744,988.87-109,023,004.09-29,563,942.33

Finding the Fourth Proportional to 72,744,988.87, 109,023,004.09 and 29,563,942.33

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Solution

The fourth proportional to 72,744,988.87, 109,023,004.09 and 29,563,942.33 is: 44,307,516.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,744,988.87 : 109,023,004.09 = 29,563,942.33 : x
  2. Step 2: Convert to fraction form
    72,744,988.87/109,023,004.09 = 29,563,942.33/x
  3. Step 3: Cross multiply
    72,744,988.87x = 109,023,004.09 × 29,563,942.33
  4. Step 4: Simplify right side
    72,744,988.87x = 3,223,149,805,560,114
  5. Step 5: Solve for x
    x = 3,223,149,805,560,114/72,744,988.87
  6. Step 6: Final answer
    x = 44,307,516.65

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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.