Home / 72,184,540.70-108,276,811.05-35,778,863.90

Finding the Fourth Proportional to 72,184,540.70, 108,276,811.05 and 35,778,863.90

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Solution

The fourth proportional to 72,184,540.70, 108,276,811.05 and 35,778,863.90 is: 53,668,295.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,184,540.70 : 108,276,811.05 = 35,778,863.90 : x
  2. Step 2: Convert to fraction form
    72,184,540.70/108,276,811.05 = 35,778,863.90/x
  3. Step 3: Cross multiply
    72,184,540.70x = 108,276,811.05 × 35,778,863.90
  4. Step 4: Simplify right side
    72,184,540.70x = 3,874,021,286,083,966
  5. Step 5: Solve for x
    x = 3,874,021,286,083,966/72,184,540.70
  6. Step 6: Final answer
    x = 53,668,295.85

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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.