Home / 72,608,086.08-100,199,179.62-39,568,344.30

Finding the Fourth Proportional to 72,608,086.08, 100,199,179.62 and 39,568,344.30

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Solution

The fourth proportional to 72,608,086.08, 100,199,179.62 and 39,568,344.30 is: 54,604,326.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,608,086.08 : 100,199,179.62 = 39,568,344.30 : x
  2. Step 2: Convert to fraction form
    72,608,086.08/100,199,179.62 = 39,568,344.30/x
  3. Step 3: Cross multiply
    72,608,086.08x = 100,199,179.62 × 39,568,344.30
  4. Step 4: Simplify right side
    72,608,086.08x = 3,964,715,637,781,703
  5. Step 5: Solve for x
    x = 3,964,715,637,781,703/72,608,086.08
  6. Step 6: Final answer
    x = 54,604,326.49

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1.5x scale

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.