Home / 50,821,776.87-70,128,772.57-29,912,562.55

Finding the Fourth Proportional to 50,821,776.87, 70,128,772.57 and 29,912,562.55

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Solution

The fourth proportional to 50,821,776.87, 70,128,772.57 and 29,912,562.55 is: 41,276,228.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,821,776.87 : 70,128,772.57 = 29,912,562.55 : x
  2. Step 2: Convert to fraction form
    50,821,776.87/70,128,772.57 = 29,912,562.55/x
  3. Step 3: Cross multiply
    50,821,776.87x = 70,128,772.57 × 29,912,562.55
  4. Step 4: Simplify right side
    50,821,776.87x = 2,097,731,295,804,745.75
  5. Step 5: Solve for x
    x = 2,097,731,295,804,745.75/50,821,776.87
  6. Step 6: Final answer
    x = 41,276,228.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.