Home / 69,012,951.30-103,431,509.55-36,680,343.30

Finding the Fourth Proportional to 69,012,951.30, 103,431,509.55 and 36,680,343.30

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Solution

The fourth proportional to 69,012,951.30, 103,431,509.55 and 36,680,343.30 is: 54,973,786.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,012,951.30 : 103,431,509.55 = 36,680,343.30 : x
  2. Step 2: Convert to fraction form
    69,012,951.30/103,431,509.55 = 36,680,343.30/x
  3. Step 3: Cross multiply
    69,012,951.30x = 103,431,509.55 × 36,680,343.30
  4. Step 4: Simplify right side
    69,012,951.30x = 3,793,903,278,331,228
  5. Step 5: Solve for x
    x = 3,793,903,278,331,228/69,012,951.30
  6. Step 6: Final answer
    x = 54,973,786.90

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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.