Home / 90,304,680.32-124,630,796.67-50,622,928.64

Finding the Fourth Proportional to 90,304,680.32, 124,630,796.67 and 50,622,928.64

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Solution

The fourth proportional to 90,304,680.32, 124,630,796.67 and 50,622,928.64 is: 69,865,436.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,304,680.32 : 124,630,796.67 = 50,622,928.64 : x
  2. Step 2: Convert to fraction form
    90,304,680.32/124,630,796.67 = 50,622,928.64/x
  3. Step 3: Cross multiply
    90,304,680.32x = 124,630,796.67 × 50,622,928.64
  4. Step 4: Simplify right side
    90,304,680.32x = 6,309,175,926,171,760
  5. Step 5: Solve for x
    x = 6,309,175,926,171,760/90,304,680.32
  6. Step 6: Final answer
    x = 69,865,436.70

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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.