Home / 133,743,182.30-184,585,765.82-81,562,485.57

Finding the Fourth Proportional to 133,743,182.30, 184,585,765.82 and 81,562,485.57

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Solution

The fourth proportional to 133,743,182.30, 184,585,765.82 and 81,562,485.57 is: 112,568,533.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,743,182.30 : 184,585,765.82 = 81,562,485.57 : x
  2. Step 2: Convert to fraction form
    133,743,182.30/184,585,765.82 = 81,562,485.57/x
  3. Step 3: Cross multiply
    133,743,182.30x = 184,585,765.82 × 81,562,485.57
  4. Step 4: Simplify right side
    133,743,182.30x = 15,055,273,860,021,140
  5. Step 5: Solve for x
    x = 15,055,273,860,021,140/133,743,182.30
  6. Step 6: Final answer
    x = 112,568,533.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.