Home / 80,851,606.90-121,277,410.35-68,097,022.90

Finding the Fourth Proportional to 80,851,606.90, 121,277,410.35 and 68,097,022.90

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Solution

The fourth proportional to 80,851,606.90, 121,277,410.35 and 68,097,022.90 is: 102,145,534.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,851,606.90 : 121,277,410.35 = 68,097,022.90 : x
  2. Step 2: Convert to fraction form
    80,851,606.90/121,277,410.35 = 68,097,022.90/x
  3. Step 3: Cross multiply
    80,851,606.90x = 121,277,410.35 × 68,097,022.90
  4. Step 4: Simplify right side
    80,851,606.90x = 8,258,630,589,856,647
  5. Step 5: Solve for x
    x = 8,258,630,589,856,647/80,851,606.90
  6. Step 6: Final answer
    x = 102,145,534.35

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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.