Home / 47,720,401.94-71,481,288.54-30,362,620.34

Finding the Fourth Proportional to 47,720,401.94, 71,481,288.54 and 30,362,620.34

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Solution

The fourth proportional to 47,720,401.94, 71,481,288.54 and 30,362,620.34 is: 45,480,740.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,720,401.94 : 71,481,288.54 = 30,362,620.34 : x
  2. Step 2: Convert to fraction form
    47,720,401.94/71,481,288.54 = 30,362,620.34/x
  3. Step 3: Cross multiply
    47,720,401.94x = 71,481,288.54 × 30,362,620.34
  4. Step 4: Simplify right side
    47,720,401.94x = 2,170,359,225,354,013
  5. Step 5: Solve for x
    x = 2,170,359,225,354,013/47,720,401.94
  6. Step 6: Final answer
    x = 45,480,740.67

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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.