Home / 80,256,548.40-110,760,867.45-45,455,429.76

Finding the Fourth Proportional to 80,256,548.40, 110,760,867.45 and 45,455,429.76

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Solution

The fourth proportional to 80,256,548.40, 110,760,867.45 and 45,455,429.76 is: 62,732,361.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,256,548.40 : 110,760,867.45 = 45,455,429.76 : x
  2. Step 2: Convert to fraction form
    80,256,548.40/110,760,867.45 = 45,455,429.76/x
  3. Step 3: Cross multiply
    80,256,548.40x = 110,760,867.45 × 45,455,429.76
  4. Step 4: Simplify right side
    80,256,548.40x = 5,034,682,830,530,145
  5. Step 5: Solve for x
    x = 5,034,682,830,530,145/80,256,548.40
  6. Step 6: Final answer
    x = 62,732,361.79

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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.