Home / 168,863,763,137.56-253,338,518,523.10-78,170,563,776.04

Finding the Fourth Proportional to 168,863,763,137.56, 253,338,518,523.10 and 78,170,563,776.04

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Solution

The fourth proportional to 168,863,763,137.56, 253,338,518,523.10 and 78,170,563,776.04 is: 117,275,692,849.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,863,763,137.56 : 253,338,518,523.10 = 78,170,563,776.04 : x
  2. Step 2: Convert to fraction form
    168,863,763,137.56/253,338,518,523.10 = 78,170,563,776.04/x
  3. Step 3: Cross multiply
    168,863,763,137.56x = 253,338,518,523.10 × 78,170,563,776.04
  4. Step 4: Simplify right side
    168,863,763,137.56x = 19,803,614,819,137,477,410,816
  5. Step 5: Solve for x
    x = 19,803,614,819,137,477,410,816/168,863,763,137.56
  6. Step 6: Final answer
    x = 117,275,692,849.54

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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.