Home / 47,614,442.96-71,430,857.40-20,320,337.36

Finding the Fourth Proportional to 47,614,442.96, 71,430,857.40 and 20,320,337.36

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Solution

The fourth proportional to 47,614,442.96, 71,430,857.40 and 20,320,337.36 is: 30,484,429.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,614,442.96 : 71,430,857.40 = 20,320,337.36 : x
  2. Step 2: Convert to fraction form
    47,614,442.96/71,430,857.40 = 20,320,337.36/x
  3. Step 3: Cross multiply
    47,614,442.96x = 71,430,857.40 × 20,320,337.36
  4. Step 4: Simplify right side
    47,614,442.96x = 1,451,499,120,282,052.50
  5. Step 5: Solve for x
    x = 1,451,499,120,282,052.50/47,614,442.96
  6. Step 6: Final answer
    x = 30,484,429.30

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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.