Home / 114,922,346.40-172,467,500.40-80,910,122.40

Finding the Fourth Proportional to 114,922,346.40, 172,467,500.40 and 80,910,122.40

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Solution

The fourth proportional to 114,922,346.40, 172,467,500.40 and 80,910,122.40 is: 121,424,309.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,922,346.40 : 172,467,500.40 = 80,910,122.40 : x
  2. Step 2: Convert to fraction form
    114,922,346.40/172,467,500.40 = 80,910,122.40/x
  3. Step 3: Cross multiply
    114,922,346.40x = 172,467,500.40 × 80,910,122.40
  4. Step 4: Simplify right side
    114,922,346.40x = 13,954,366,567,386,050
  5. Step 5: Solve for x
    x = 13,954,366,567,386,050/114,922,346.40
  6. Step 6: Final answer
    x = 121,424,309.58

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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.