Home / 72,595,309.44-108,903,786.24-25,905,158.40

Finding the Fourth Proportional to 72,595,309.44, 108,903,786.24 and 25,905,158.40

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Solution

The fourth proportional to 72,595,309.44, 108,903,786.24 and 25,905,158.40 is: 38,861,599.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,595,309.44 : 108,903,786.24 = 25,905,158.40 : x
  2. Step 2: Convert to fraction form
    72,595,309.44/108,903,786.24 = 25,905,158.40/x
  3. Step 3: Cross multiply
    72,595,309.44x = 108,903,786.24 × 25,905,158.40
  4. Step 4: Simplify right side
    72,595,309.44x = 2,821,169,832,906,940
  5. Step 5: Solve for x
    x = 2,821,169,832,906,940/72,595,309.44
  6. Step 6: Final answer
    x = 38,861,599.39

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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.