Home / 121,166,144.80-181,749,217.20-102,034,268.80

Finding the Fourth Proportional to 121,166,144.80, 181,749,217.20 and 102,034,268.80

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Solution

The fourth proportional to 121,166,144.80, 181,749,217.20 and 102,034,268.80 is: 153,051,403.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,166,144.80 : 181,749,217.20 = 102,034,268.80 : x
  2. Step 2: Convert to fraction form
    121,166,144.80/181,749,217.20 = 102,034,268.80/x
  3. Step 3: Cross multiply
    121,166,144.80x = 181,749,217.20 × 102,034,268.80
  4. Step 4: Simplify right side
    121,166,144.80x = 18,544,648,481,974,380
  5. Step 5: Solve for x
    x = 18,544,648,481,974,380/121,166,144.80
  6. Step 6: Final answer
    x = 153,051,403.20

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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.