Home / 111,987,916.40-167,981,874.60-31,208,884.40

Finding the Fourth Proportional to 111,987,916.40, 167,981,874.60 and 31,208,884.40

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Solution

The fourth proportional to 111,987,916.40, 167,981,874.60 and 31,208,884.40 is: 46,813,326.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,987,916.40 : 167,981,874.60 = 31,208,884.40 : x
  2. Step 2: Convert to fraction form
    111,987,916.40/167,981,874.60 = 31,208,884.40/x
  3. Step 3: Cross multiply
    111,987,916.40x = 167,981,874.60 × 31,208,884.40
  4. Step 4: Simplify right side
    111,987,916.40x = 5,242,526,905,686,696
  5. Step 5: Solve for x
    x = 5,242,526,905,686,696/111,987,916.40
  6. Step 6: Final answer
    x = 46,813,326.60

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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.