Home / 77,741,039.50-107,282,634.78-45,148,091.02

Finding the Fourth Proportional to 77,741,039.50, 107,282,634.78 and 45,148,091.02

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Solution

The fourth proportional to 77,741,039.50, 107,282,634.78 and 45,148,091.02 is: 62,304,365.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,741,039.50 : 107,282,634.78 = 45,148,091.02 : x
  2. Step 2: Convert to fraction form
    77,741,039.50/107,282,634.78 = 45,148,091.02/x
  3. Step 3: Cross multiply
    77,741,039.50x = 107,282,634.78 × 45,148,091.02
  4. Step 4: Simplify right side
    77,741,039.50x = 4,843,606,159,912,858
  5. Step 5: Solve for x
    x = 4,843,606,159,912,858/77,741,039.50
  6. Step 6: Final answer
    x = 62,304,365.76

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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.