Home / 72,608,115.08-100,199,219.64-39,568,373.24

Finding the Fourth Proportional to 72,608,115.08, 100,199,219.64 and 39,568,373.24

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Solution

The fourth proportional to 72,608,115.08, 100,199,219.64 and 39,568,373.24 is: 54,604,366.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,608,115.08 : 100,199,219.64 = 39,568,373.24 : x
  2. Step 2: Convert to fraction form
    72,608,115.08/100,199,219.64 = 39,568,373.24/x
  3. Step 3: Cross multiply
    72,608,115.08x = 100,199,219.64 × 39,568,373.24
  4. Step 4: Simplify right side
    72,608,115.08x = 3,964,720,121,072,258.50
  5. Step 5: Solve for x
    x = 3,964,720,121,072,258.50/72,608,115.08
  6. Step 6: Final answer
    x = 54,604,366.42

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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.