Home / 424,396,069.60-636,930,027.60-165,735,205.60

Finding the Fourth Proportional to 424,396,069.60, 636,930,027.60 and 165,735,205.60

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Solution

The fourth proportional to 424,396,069.60, 636,930,027.60 and 165,735,205.60 is: 248,733,993.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,396,069.60 : 636,930,027.60 = 165,735,205.60 : x
  2. Step 2: Convert to fraction form
    424,396,069.60/636,930,027.60 = 165,735,205.60/x
  3. Step 3: Cross multiply
    424,396,069.60x = 636,930,027.60 × 165,735,205.60
  4. Step 4: Simplify right side
    424,396,069.60x = 105,561,729,077,099,680
  5. Step 5: Solve for x
    x = 105,561,729,077,099,680/424,396,069.60
  6. Step 6: Final answer
    x = 248,733,993.17

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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.