Home / 77,303,039.11-115,951,532.40-26,185,057.92

Finding the Fourth Proportional to 77,303,039.11, 115,951,532.40 and 26,185,057.92

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Solution

The fourth proportional to 77,303,039.11, 115,951,532.40 and 26,185,057.92 is: 39,276,561.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,303,039.11 : 115,951,532.40 = 26,185,057.92 : x
  2. Step 2: Convert to fraction form
    77,303,039.11/115,951,532.40 = 26,185,057.92/x
  3. Step 3: Cross multiply
    77,303,039.11x = 115,951,532.40 × 26,185,057.92
  4. Step 4: Simplify right side
    77,303,039.11x = 3,036,197,591,806,757
  5. Step 5: Solve for x
    x = 3,036,197,591,806,757/77,303,039.11
  6. Step 6: Final answer
    x = 39,276,561.79

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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.