Home / 66,562,790.64-99,844,186.22-18,040,644.50

Finding the Fourth Proportional to 66,562,790.64, 99,844,186.22 and 18,040,644.50

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Solution

The fourth proportional to 66,562,790.64, 99,844,186.22 and 18,040,644.50 is: 27,060,966.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,562,790.64 : 99,844,186.22 = 18,040,644.50 : x
  2. Step 2: Convert to fraction form
    66,562,790.64/99,844,186.22 = 18,040,644.50/x
  3. Step 3: Cross multiply
    66,562,790.64x = 99,844,186.22 × 18,040,644.50
  4. Step 4: Simplify right side
    66,562,790.64x = 1,801,253,468,397,394.75
  5. Step 5: Solve for x
    x = 1,801,253,468,397,394.75/66,562,790.64
  6. Step 6: Final answer
    x = 27,060,966.81

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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.