Home / 300,609,959.13-450,149,466.83-198,063,103.77

Finding the Fourth Proportional to 300,609,959.13, 450,149,466.83 and 198,063,103.77

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Solution

The fourth proportional to 300,609,959.13, 450,149,466.83 and 198,063,103.77 is: 296,590,308.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,609,959.13 : 450,149,466.83 = 198,063,103.77 : x
  2. Step 2: Convert to fraction form
    300,609,959.13/450,149,466.83 = 198,063,103.77/x
  3. Step 3: Cross multiply
    300,609,959.13x = 450,149,466.83 × 198,063,103.77
  4. Step 4: Simplify right side
    300,609,959.13x = 89,158,000,559,770,144
  5. Step 5: Solve for x
    x = 89,158,000,559,770,144/300,609,959.13
  6. Step 6: Final answer
    x = 296,590,308.64

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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.