Home / 247,212,874.80-370,878,361.20-74,691,379.80

Finding the Fourth Proportional to 247,212,874.80, 370,878,361.20 and 74,691,379.80

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Solution

The fourth proportional to 247,212,874.80, 370,878,361.20 and 74,691,379.80 is: 112,054,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,212,874.80 : 370,878,361.20 = 74,691,379.80 : x
  2. Step 2: Convert to fraction form
    247,212,874.80/370,878,361.20 = 74,691,379.80/x
  3. Step 3: Cross multiply
    247,212,874.80x = 370,878,361.20 × 74,691,379.80
  4. Step 4: Simplify right side
    247,212,874.80x = 27,701,416,535,990,780
  5. Step 5: Solve for x
    x = 27,701,416,535,990,780/247,212,874.80
  6. Step 6: Final answer
    x = 112,054,910.40

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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.