Home / 424,396,081.60-636,930,045.60-165,735,217.60

Finding the Fourth Proportional to 424,396,081.60, 636,930,045.60 and 165,735,217.60

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Solution

The fourth proportional to 424,396,081.60, 636,930,045.60 and 165,735,217.60 is: 248,734,011.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,396,081.60 : 636,930,045.60 = 165,735,217.60 : x
  2. Step 2: Convert to fraction form
    424,396,081.60/636,930,045.60 = 165,735,217.60/x
  3. Step 3: Cross multiply
    424,396,081.60x = 636,930,045.60 × 165,735,217.60
  4. Step 4: Simplify right side
    424,396,081.60x = 105,561,739,703,493,920
  5. Step 5: Solve for x
    x = 105,561,739,703,493,920/424,396,081.60
  6. Step 6: Final answer
    x = 248,734,011.18

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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.