Home / 67,980,209.38-93,812,702.36-37,040,378.56

Finding the Fourth Proportional to 67,980,209.38, 93,812,702.36 and 37,040,378.56

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Solution

The fourth proportional to 67,980,209.38, 93,812,702.36 and 37,040,378.56 is: 51,115,729.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,980,209.38 : 93,812,702.36 = 37,040,378.56 : x
  2. Step 2: Convert to fraction form
    67,980,209.38/93,812,702.36 = 37,040,378.56/x
  3. Step 3: Cross multiply
    67,980,209.38x = 93,812,702.36 × 37,040,378.56
  4. Step 4: Simplify right side
    67,980,209.38x = 3,474,858,009,151,005.50
  5. Step 5: Solve for x
    x = 3,474,858,009,151,005.50/67,980,209.38
  6. Step 6: Final answer
    x = 51,115,729.72

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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.