Home / 68,383,609.40-102,412,578.90-39,569,019.32

Finding the Fourth Proportional to 68,383,609.40, 102,412,578.90 and 39,569,019.32

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Solution

The fourth proportional to 68,383,609.40, 102,412,578.90 and 39,569,019.32 is: 59,259,307.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,383,609.40 : 102,412,578.90 = 39,569,019.32 : x
  2. Step 2: Convert to fraction form
    68,383,609.40/102,412,578.90 = 39,569,019.32/x
  3. Step 3: Cross multiply
    68,383,609.40x = 102,412,578.90 × 39,569,019.32
  4. Step 4: Simplify right side
    68,383,609.40x = 4,052,365,313,105,124.50
  5. Step 5: Solve for x
    x = 4,052,365,313,105,124.50/68,383,609.40
  6. Step 6: Final answer
    x = 59,259,307.14

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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.