Home / 75,181,671.12-112,772,603.28-20,594,736.72

Finding the Fourth Proportional to 75,181,671.12, 112,772,603.28 and 20,594,736.72

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Solution

The fourth proportional to 75,181,671.12, 112,772,603.28 and 20,594,736.72 is: 30,892,131.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,181,671.12 : 112,772,603.28 = 20,594,736.72 : x
  2. Step 2: Convert to fraction form
    75,181,671.12/112,772,603.28 = 20,594,736.72/x
  3. Step 3: Cross multiply
    75,181,671.12x = 112,772,603.28 × 20,594,736.72
  4. Step 4: Simplify right side
    75,181,671.12x = 2,322,522,073,780,608.50
  5. Step 5: Solve for x
    x = 2,322,522,073,780,608.50/75,181,671.12
  6. Step 6: Final answer
    x = 30,892,131.54

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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.