Home / 550,089,101.80-825,043,950.06-161,821,129.24

Finding the Fourth Proportional to 550,089,101.80, 825,043,950.06 and 161,821,129.24

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Solution

The fourth proportional to 550,089,101.80, 825,043,950.06 and 161,821,129.24 is: 242,705,305.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,089,101.80 : 825,043,950.06 = 161,821,129.24 : x
  2. Step 2: Convert to fraction form
    550,089,101.80/825,043,950.06 = 161,821,129.24/x
  3. Step 3: Cross multiply
    550,089,101.80x = 825,043,950.06 × 161,821,129.24
  4. Step 4: Simplify right side
    550,089,101.80x = 133,509,543,671,339,360
  5. Step 5: Solve for x
    x = 133,509,543,671,339,360/550,089,101.80
  6. Step 6: Final answer
    x = 242,705,305.80

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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.