Home / 50,433,648.40-75,628,354.20-20,131,440.40

Finding the Fourth Proportional to 50,433,648.40, 75,628,354.20 and 20,131,440.40

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Solution

The fourth proportional to 50,433,648.40, 75,628,354.20 and 20,131,440.40 is: 30,188,331.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,433,648.40 : 75,628,354.20 = 20,131,440.40 : x
  2. Step 2: Convert to fraction form
    50,433,648.40/75,628,354.20 = 20,131,440.40/x
  3. Step 3: Cross multiply
    50,433,648.40x = 75,628,354.20 × 20,131,440.40
  4. Step 4: Simplify right side
    50,433,648.40x = 1,522,507,705,127,389.75
  5. Step 5: Solve for x
    x = 1,522,507,705,127,389.75/50,433,648.40
  6. Step 6: Final answer
    x = 30,188,331.67

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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.