Home / 57,474,304.96-86,222,814.46-21,083,033.20

Finding the Fourth Proportional to 57,474,304.96, 86,222,814.46 and 21,083,033.20

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Solution

The fourth proportional to 57,474,304.96, 86,222,814.46 and 21,083,033.20 is: 31,628,715.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,474,304.96 : 86,222,814.46 = 21,083,033.20 : x
  2. Step 2: Convert to fraction form
    57,474,304.96/86,222,814.46 = 21,083,033.20/x
  3. Step 3: Cross multiply
    57,474,304.96x = 86,222,814.46 × 21,083,033.20
  4. Step 4: Simplify right side
    57,474,304.96x = 1,817,838,459,857,619.75
  5. Step 5: Solve for x
    x = 1,817,838,459,857,619.75/57,474,304.96
  6. Step 6: Final answer
    x = 31,628,715.84

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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.