Home / 121,166,200.80-181,749,301.20-102,034,324.80

Finding the Fourth Proportional to 121,166,200.80, 181,749,301.20 and 102,034,324.80

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Solution

The fourth proportional to 121,166,200.80, 181,749,301.20 and 102,034,324.80 is: 153,051,487.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,166,200.80 : 181,749,301.20 = 102,034,324.80 : x
  2. Step 2: Convert to fraction form
    121,166,200.80/181,749,301.20 = 102,034,324.80/x
  3. Step 3: Cross multiply
    121,166,200.80x = 181,749,301.20 × 102,034,324.80
  4. Step 4: Simplify right side
    121,166,200.80x = 18,544,667,230,813,828
  5. Step 5: Solve for x
    x = 18,544,667,230,813,828/121,166,200.80
  6. Step 6: Final answer
    x = 153,051,487.20

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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.