Home / 323,615,466.12-485,432,243.46-105,265,809.12

Finding the Fourth Proportional to 323,615,466.12, 485,432,243.46 and 105,265,809.12

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Solution

The fourth proportional to 323,615,466.12, 485,432,243.46 and 105,265,809.12 is: 157,901,655.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,615,466.12 : 485,432,243.46 = 105,265,809.12 : x
  2. Step 2: Convert to fraction form
    323,615,466.12/485,432,243.46 = 105,265,809.12/x
  3. Step 3: Cross multiply
    323,615,466.12x = 485,432,243.46 × 105,265,809.12
  4. Step 4: Simplify right side
    323,615,466.12x = 51,099,417,880,753,728
  5. Step 5: Solve for x
    x = 51,099,417,880,753,728/323,615,466.12
  6. Step 6: Final answer
    x = 157,901,655.61

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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.