Home / 66,562,203.43-91,864,965.71-38,303,995.65

Finding the Fourth Proportional to 66,562,203.43, 91,864,965.71 and 38,303,995.65

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Solution

The fourth proportional to 66,562,203.43, 91,864,965.71 and 38,303,995.65 is: 52,864,765.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,562,203.43 : 91,864,965.71 = 38,303,995.65 : x
  2. Step 2: Convert to fraction form
    66,562,203.43/91,864,965.71 = 38,303,995.65/x
  3. Step 3: Cross multiply
    66,562,203.43x = 91,864,965.71 × 38,303,995.65
  4. Step 4: Simplify right side
    66,562,203.43x = 3,518,795,246,622,685.50
  5. Step 5: Solve for x
    x = 3,518,795,246,622,685.50/66,562,203.43
  6. Step 6: Final answer
    x = 52,864,765.06

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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.