Home / 75,181,661.91-112,772,589.47-20,594,727.54

Finding the Fourth Proportional to 75,181,661.91, 112,772,589.47 and 20,594,727.54

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Solution

The fourth proportional to 75,181,661.91, 112,772,589.47 and 20,594,727.54 is: 30,892,117.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,181,661.91 : 112,772,589.47 = 20,594,727.54 : x
  2. Step 2: Convert to fraction form
    75,181,661.91/112,772,589.47 = 20,594,727.54/x
  3. Step 3: Cross multiply
    75,181,661.91x = 112,772,589.47 × 20,594,727.54
  4. Step 4: Simplify right side
    75,181,661.91x = 2,322,520,754,089,179.50
  5. Step 5: Solve for x
    x = 2,322,520,754,089,179.50/75,181,661.91
  6. Step 6: Final answer
    x = 30,892,117.77

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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.