Home / 354,620,722.20-531,483,185.70-172,475,698.20

Finding the Fourth Proportional to 354,620,722.20, 531,483,185.70 and 172,475,698.20

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Solution

The fourth proportional to 354,620,722.20, 531,483,185.70 and 172,475,698.20 is: 258,495,704.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,620,722.20 : 531,483,185.70 = 172,475,698.20 : x
  2. Step 2: Convert to fraction form
    354,620,722.20/531,483,185.70 = 172,475,698.20/x
  3. Step 3: Cross multiply
    354,620,722.20x = 531,483,185.70 × 172,475,698.20
  4. Step 4: Simplify right side
    354,620,722.20x = 91,667,933,535,167,744
  5. Step 5: Solve for x
    x = 91,667,933,535,167,744/354,620,722.20
  6. Step 6: Final answer
    x = 258,495,704.84

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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.