Home / 323,352,021.60-485,028,032.40-118,853,524.80

Finding the Fourth Proportional to 323,352,021.60, 485,028,032.40 and 118,853,524.80

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Solution

The fourth proportional to 323,352,021.60, 485,028,032.40 and 118,853,524.80 is: 178,280,287.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,352,021.60 : 485,028,032.40 = 118,853,524.80 : x
  2. Step 2: Convert to fraction form
    323,352,021.60/485,028,032.40 = 118,853,524.80/x
  3. Step 3: Cross multiply
    323,352,021.60x = 485,028,032.40 × 118,853,524.80
  4. Step 4: Simplify right side
    323,352,021.60x = 57,647,291,277,548,600
  5. Step 5: Solve for x
    x = 57,647,291,277,548,600/323,352,021.60
  6. Step 6: Final answer
    x = 178,280,287.20

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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.