Home / 43,114,879.60-64,672,319.40-20,440,063.60

Finding the Fourth Proportional to 43,114,879.60, 64,672,319.40 and 20,440,063.60

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Solution

The fourth proportional to 43,114,879.60, 64,672,319.40 and 20,440,063.60 is: 30,660,095.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,114,879.60 : 64,672,319.40 = 20,440,063.60 : x
  2. Step 2: Convert to fraction form
    43,114,879.60/64,672,319.40 = 20,440,063.60/x
  3. Step 3: Cross multiply
    43,114,879.60x = 64,672,319.40 × 20,440,063.60
  4. Step 4: Simplify right side
    43,114,879.60x = 1,321,906,321,695,514
  5. Step 5: Solve for x
    x = 1,321,906,321,695,514/43,114,879.60
  6. Step 6: Final answer
    x = 30,660,095.40

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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.