Home / 298,936,849.35-448,405,274.03-137,378,785.35

Finding the Fourth Proportional to 298,936,849.35, 448,405,274.03 and 137,378,785.35

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Solution

The fourth proportional to 298,936,849.35, 448,405,274.03 and 137,378,785.35 is: 206,068,178.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,936,849.35 : 448,405,274.03 = 137,378,785.35 : x
  2. Step 2: Convert to fraction form
    298,936,849.35/448,405,274.03 = 137,378,785.35/x
  3. Step 3: Cross multiply
    298,936,849.35x = 448,405,274.03 × 137,378,785.35
  4. Step 4: Simplify right side
    298,936,849.35x = 61,601,371,890,088,400
  5. Step 5: Solve for x
    x = 61,601,371,890,088,400/298,936,849.35
  6. Step 6: Final answer
    x = 206,068,178.03

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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.