Home / 81,485,683.90-122,228,525.85-26,906,693.20

Finding the Fourth Proportional to 81,485,683.90, 122,228,525.85 and 26,906,693.20

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Solution

The fourth proportional to 81,485,683.90, 122,228,525.85 and 26,906,693.20 is: 40,360,039.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,485,683.90 : 122,228,525.85 = 26,906,693.20 : x
  2. Step 2: Convert to fraction form
    81,485,683.90/122,228,525.85 = 26,906,693.20/x
  3. Step 3: Cross multiply
    81,485,683.90x = 122,228,525.85 × 26,906,693.20
  4. Step 4: Simplify right side
    81,485,683.90x = 3,288,765,445,334,219
  5. Step 5: Solve for x
    x = 3,288,765,445,334,219/81,485,683.90
  6. Step 6: Final answer
    x = 40,360,039.80

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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.