Home / 209,869,923.06-314,845,234.68-80,467,440.90

Finding the Fourth Proportional to 209,869,923.06, 314,845,234.68 and 80,467,440.90

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Solution

The fourth proportional to 209,869,923.06, 314,845,234.68 and 80,467,440.90 is: 120,716,632.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,869,923.06 : 314,845,234.68 = 80,467,440.90 : x
  2. Step 2: Convert to fraction form
    209,869,923.06/314,845,234.68 = 80,467,440.90/x
  3. Step 3: Cross multiply
    209,869,923.06x = 314,845,234.68 × 80,467,440.90
  4. Step 4: Simplify right side
    209,869,923.06x = 25,334,790,314,259,532
  5. Step 5: Solve for x
    x = 25,334,790,314,259,532/209,869,923.06
  6. Step 6: Final answer
    x = 120,716,632.21

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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.