Home / 69,258,704.70-103,888,057.05-18,145,890.30

Finding the Fourth Proportional to 69,258,704.70, 103,888,057.05 and 18,145,890.30

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Solution

The fourth proportional to 69,258,704.70, 103,888,057.05 and 18,145,890.30 is: 27,218,835.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,258,704.70 : 103,888,057.05 = 18,145,890.30 : x
  2. Step 2: Convert to fraction form
    69,258,704.70/103,888,057.05 = 18,145,890.30/x
  3. Step 3: Cross multiply
    69,258,704.70x = 103,888,057.05 × 18,145,890.30
  4. Step 4: Simplify right side
    69,258,704.70x = 1,885,141,286,709,441.75
  5. Step 5: Solve for x
    x = 1,885,141,286,709,441.75/69,258,704.70
  6. Step 6: Final answer
    x = 27,218,835.45

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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.