Home / 273,399,090-410,052,379.68-76,617,213.72

Finding the Fourth Proportional to 273,399,090, 410,052,379.68 and 76,617,213.72

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Solution

The fourth proportional to 273,399,090, 410,052,379.68 and 76,617,213.72 is: 114,912,858.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,399,090 : 410,052,379.68 = 76,617,213.72 : x
  2. Step 2: Convert to fraction form
    273,399,090/410,052,379.68 = 76,617,213.72/x
  3. Step 3: Cross multiply
    273,399,090x = 410,052,379.68 × 76,617,213.72
  4. Step 4: Simplify right side
    273,399,090x = 31,417,070,810,337,144
  5. Step 5: Solve for x
    x = 31,417,070,810,337,144/273,399,090
  6. Step 6: Final answer
    x = 114,912,858.01

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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.