Home / 111,476,999.10-166,896,634.05-68,430,278.10

Finding the Fourth Proportional to 111,476,999.10, 166,896,634.05 and 68,430,278.10

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Solution

The fourth proportional to 111,476,999.10, 166,896,634.05 and 68,430,278.10 is: 102,449,681.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,476,999.10 : 166,896,634.05 = 68,430,278.10 : x
  2. Step 2: Convert to fraction form
    111,476,999.10/166,896,634.05 = 68,430,278.10/x
  3. Step 3: Cross multiply
    111,476,999.10x = 166,896,634.05 × 68,430,278.10
  4. Step 4: Simplify right side
    111,476,999.10x = 11,420,783,081,995,430
  5. Step 5: Solve for x
    x = 11,420,783,081,995,430/111,476,999.10
  6. Step 6: Final answer
    x = 102,449,681.77

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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.