Home / 64,158,705.50-96,199,625.66-20,420,571.44

Finding the Fourth Proportional to 64,158,705.50, 96,199,625.66 and 20,420,571.44

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Solution

The fourth proportional to 64,158,705.50, 96,199,625.66 and 20,420,571.44 is: 30,618,624.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,158,705.50 : 96,199,625.66 = 20,420,571.44 : x
  2. Step 2: Convert to fraction form
    64,158,705.50/96,199,625.66 = 20,420,571.44/x
  3. Step 3: Cross multiply
    64,158,705.50x = 96,199,625.66 × 20,420,571.44
  4. Step 4: Simplify right side
    64,158,705.50x = 1,964,451,328,291,287.25
  5. Step 5: Solve for x
    x = 1,964,451,328,291,287.25/64,158,705.50
  6. Step 6: Final answer
    x = 30,618,624.75

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1.5x scale

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.