Home / 76,848,581.48-115,088,163.60-43,959,436.88

Finding the Fourth Proportional to 76,848,581.48, 115,088,163.60 and 43,959,436.88

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Solution

The fourth proportional to 76,848,581.48, 115,088,163.60 and 43,959,436.88 is: 65,833,497.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,848,581.48 : 115,088,163.60 = 43,959,436.88 : x
  2. Step 2: Convert to fraction form
    76,848,581.48/115,088,163.60 = 43,959,436.88/x
  3. Step 3: Cross multiply
    76,848,581.48x = 115,088,163.60 × 43,959,436.88
  4. Step 4: Simplify right side
    76,848,581.48x = 5,059,210,863,409,314
  5. Step 5: Solve for x
    x = 5,059,210,863,409,314/76,848,581.48
  6. Step 6: Final answer
    x = 65,833,497.07

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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.