Home / 198,693,710.40-298,040,565.60-168,460,622.40

Finding the Fourth Proportional to 198,693,710.40, 298,040,565.60 and 168,460,622.40

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Solution

The fourth proportional to 198,693,710.40, 298,040,565.60 and 168,460,622.40 is: 252,690,933.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,693,710.40 : 298,040,565.60 = 168,460,622.40 : x
  2. Step 2: Convert to fraction form
    198,693,710.40/298,040,565.60 = 168,460,622.40/x
  3. Step 3: Cross multiply
    198,693,710.40x = 298,040,565.60 × 168,460,622.40
  4. Step 4: Simplify right side
    198,693,710.40x = 50,208,099,181,424,032
  5. Step 5: Solve for x
    x = 50,208,099,181,424,032/198,693,710.40
  6. Step 6: Final answer
    x = 252,690,933.60

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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.