Home / 111,986,006.40-167,979,009.60-31,206,974.40

Finding the Fourth Proportional to 111,986,006.40, 167,979,009.60 and 31,206,974.40

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Solution

The fourth proportional to 111,986,006.40, 167,979,009.60 and 31,206,974.40 is: 46,810,461.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,986,006.40 : 167,979,009.60 = 31,206,974.40 : x
  2. Step 2: Convert to fraction form
    111,986,006.40/167,979,009.60 = 31,206,974.40/x
  3. Step 3: Cross multiply
    111,986,006.40x = 167,979,009.60 × 31,206,974.40
  4. Step 4: Simplify right side
    111,986,006.40x = 5,242,116,652,324,554
  5. Step 5: Solve for x
    x = 5,242,116,652,324,554/111,986,006.40
  6. Step 6: Final answer
    x = 46,810,461.60

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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.