Home / 66,235,563-91,405,943.64-36,469,673.28

Finding the Fourth Proportional to 66,235,563, 91,405,943.64 and 36,469,673.28

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Solution

The fourth proportional to 66,235,563, 91,405,943.64 and 36,469,673.28 is: 50,328,626.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,235,563 : 91,405,943.64 = 36,469,673.28 : x
  2. Step 2: Convert to fraction form
    66,235,563/91,405,943.64 = 36,469,673.28/x
  3. Step 3: Cross multiply
    66,235,563x = 91,405,943.64 × 36,469,673.28
  4. Step 4: Simplify right side
    66,235,563x = 3,333,544,900,400,894
  5. Step 5: Solve for x
    x = 3,333,544,900,400,894/66,235,563
  6. Step 6: Final answer
    x = 50,328,626.34

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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.