Home / 80,256,546.99-110,760,865.47-45,455,428.35

Finding the Fourth Proportional to 80,256,546.99, 110,760,865.47 and 45,455,428.35

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Solution

The fourth proportional to 80,256,546.99, 110,760,865.47 and 45,455,428.35 is: 62,732,359.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,256,546.99 : 110,760,865.47 = 45,455,428.35 : x
  2. Step 2: Convert to fraction form
    80,256,546.99/110,760,865.47 = 45,455,428.35/x
  3. Step 3: Cross multiply
    80,256,546.99x = 110,760,865.47 × 45,455,428.35
  4. Step 4: Simplify right side
    80,256,546.99x = 5,034,682,584,355,574
  5. Step 5: Solve for x
    x = 5,034,682,584,355,574/80,256,546.99
  6. Step 6: Final answer
    x = 62,732,359.83

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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.