Home / 199,284,869.70-298,927,304.55-91,789,445.70

Finding the Fourth Proportional to 199,284,869.70, 298,927,304.55 and 91,789,445.70

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Solution

The fourth proportional to 199,284,869.70, 298,927,304.55 and 91,789,445.70 is: 137,684,168.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,284,869.70 : 298,927,304.55 = 91,789,445.70 : x
  2. Step 2: Convert to fraction form
    199,284,869.70/298,927,304.55 = 91,789,445.70/x
  3. Step 3: Cross multiply
    199,284,869.70x = 298,927,304.55 × 91,789,445.70
  4. Step 4: Simplify right side
    199,284,869.70x = 27,438,371,589,239,588
  5. Step 5: Solve for x
    x = 27,438,371,589,239,588/199,284,869.70
  6. Step 6: Final answer
    x = 137,684,168.55

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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.