Home / 323,616,010.40-485,424,015.60-108,205,258.40

Finding the Fourth Proportional to 323,616,010.40, 485,424,015.60 and 108,205,258.40

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Solution

The fourth proportional to 323,616,010.40, 485,424,015.60 and 108,205,258.40 is: 162,307,887.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,616,010.40 : 485,424,015.60 = 108,205,258.40 : x
  2. Step 2: Convert to fraction form
    323,616,010.40/485,424,015.60 = 108,205,258.40/x
  3. Step 3: Cross multiply
    323,616,010.40x = 485,424,015.60 × 108,205,258.40
  4. Step 4: Simplify right side
    323,616,010.40x = 52,525,431,041,563,640
  5. Step 5: Solve for x
    x = 52,525,431,041,563,640/323,616,010.40
  6. Step 6: Final answer
    x = 162,307,887.60

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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.