Home / 42,920,152.26-64,408,589.20-20,207,544.90

Finding the Fourth Proportional to 42,920,152.26, 64,408,589.20 and 20,207,544.90

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Solution

The fourth proportional to 42,920,152.26, 64,408,589.20 and 20,207,544.90 is: 30,324,670.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,920,152.26 : 64,408,589.20 = 20,207,544.90 : x
  2. Step 2: Convert to fraction form
    42,920,152.26/64,408,589.20 = 20,207,544.90/x
  3. Step 3: Cross multiply
    42,920,152.26x = 64,408,589.20 × 20,207,544.90
  4. Step 4: Simplify right side
    42,920,152.26x = 1,301,539,458,204,655
  5. Step 5: Solve for x
    x = 1,301,539,458,204,655/42,920,152.26
  6. Step 6: Final answer
    x = 30,324,670.11

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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.