Home / 66,213,607.26-91,323,013.59-43,016,208.42

Finding the Fourth Proportional to 66,213,607.26, 91,323,013.59 and 43,016,208.42

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Solution

The fourth proportional to 66,213,607.26, 91,323,013.59 and 43,016,208.42 is: 59,328,738.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,213,607.26 : 91,323,013.59 = 43,016,208.42 : x
  2. Step 2: Convert to fraction form
    66,213,607.26/91,323,013.59 = 43,016,208.42/x
  3. Step 3: Cross multiply
    66,213,607.26x = 91,323,013.59 × 43,016,208.42
  4. Step 4: Simplify right side
    66,213,607.26x = 3,928,369,786,129,932.50
  5. Step 5: Solve for x
    x = 3,928,369,786,129,932.50/66,213,607.26
  6. Step 6: Final answer
    x = 59,328,738.44

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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.