Home / 69,120,300.70-103,680,451.05-51,204,396.70

Finding the Fourth Proportional to 69,120,300.70, 103,680,451.05 and 51,204,396.70

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Solution

The fourth proportional to 69,120,300.70, 103,680,451.05 and 51,204,396.70 is: 76,806,595.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,120,300.70 : 103,680,451.05 = 51,204,396.70 : x
  2. Step 2: Convert to fraction form
    69,120,300.70/103,680,451.05 = 51,204,396.70/x
  3. Step 3: Cross multiply
    69,120,300.70x = 103,680,451.05 × 51,204,396.70
  4. Step 4: Simplify right side
    69,120,300.70x = 5,308,894,945,599,132
  5. Step 5: Solve for x
    x = 5,308,894,945,599,132/69,120,300.70
  6. Step 6: Final answer
    x = 76,806,595.05

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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.