Home / 66,414,153.83-91,653,811.13-38,534,758.97

Finding the Fourth Proportional to 66,414,153.83, 91,653,811.13 and 38,534,758.97

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Solution

The fourth proportional to 66,414,153.83, 91,653,811.13 and 38,534,758.97 is: 53,179,289.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,414,153.83 : 91,653,811.13 = 38,534,758.97 : x
  2. Step 2: Convert to fraction form
    66,414,153.83/91,653,811.13 = 38,534,758.97/x
  3. Step 3: Cross multiply
    66,414,153.83x = 91,653,811.13 × 38,534,758.97
  4. Step 4: Simplify right side
    66,414,153.83x = 3,531,857,520,214,521
  5. Step 5: Solve for x
    x = 3,531,857,520,214,521/66,414,153.83
  6. Step 6: Final answer
    x = 53,179,289.61

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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.