Home / 81,663,902.10-122,517,504.45-35,585,999.10

Finding the Fourth Proportional to 81,663,902.10, 122,517,504.45 and 35,585,999.10

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Solution

The fourth proportional to 81,663,902.10, 122,517,504.45 and 35,585,999.10 is: 53,388,433.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,663,902.10 : 122,517,504.45 = 35,585,999.10 : x
  2. Step 2: Convert to fraction form
    81,663,902.10/122,517,504.45 = 35,585,999.10/x
  3. Step 3: Cross multiply
    81,663,902.10x = 122,517,504.45 × 35,585,999.10
  4. Step 4: Simplify right side
    81,663,902.10x = 4,359,907,803,091,946.50
  5. Step 5: Solve for x
    x = 4,359,907,803,091,946.50/81,663,902.10
  6. Step 6: Final answer
    x = 53,388,433.46

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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.