Home / 247,783,505.76-371,651,040.72-75,261,817.44

Finding the Fourth Proportional to 247,783,505.76, 371,651,040.72 and 75,261,817.44

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Solution

The fourth proportional to 247,783,505.76, 371,651,040.72 and 75,261,817.44 is: 112,885,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,783,505.76 : 371,651,040.72 = 75,261,817.44 : x
  2. Step 2: Convert to fraction form
    247,783,505.76/371,651,040.72 = 75,261,817.44/x
  3. Step 3: Cross multiply
    247,783,505.76x = 371,651,040.72 × 75,261,817.44
  4. Step 4: Simplify right side
    247,783,505.76x = 27,971,132,778,054,648
  5. Step 5: Solve for x
    x = 27,971,132,778,054,648/247,783,505.76
  6. Step 6: Final answer
    x = 112,885,370.20

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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.