Home / 82,986,853.12-114,384,792-55,474,743.04

Finding the Fourth Proportional to 82,986,853.12, 114,384,792 and 55,474,743.04

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Solution

The fourth proportional to 82,986,853.12, 114,384,792 and 55,474,743.04 is: 76,463,520.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,986,853.12 : 114,384,792 = 55,474,743.04 : x
  2. Step 2: Convert to fraction form
    82,986,853.12/114,384,792 = 55,474,743.04/x
  3. Step 3: Cross multiply
    82,986,853.12x = 114,384,792 × 55,474,743.04
  4. Step 4: Simplify right side
    82,986,853.12x = 6,345,466,943,883,848
  5. Step 5: Solve for x
    x = 6,345,466,943,883,848/82,986,853.12
  6. Step 6: Final answer
    x = 76,463,520.49

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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.