Home / 199,334,590.80-299,001,886.20-196,647,205.20

Finding the Fourth Proportional to 199,334,590.80, 299,001,886.20 and 196,647,205.20

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Solution

The fourth proportional to 199,334,590.80, 299,001,886.20 and 196,647,205.20 is: 294,970,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,334,590.80 : 299,001,886.20 = 196,647,205.20 : x
  2. Step 2: Convert to fraction form
    199,334,590.80/299,001,886.20 = 196,647,205.20/x
  3. Step 3: Cross multiply
    199,334,590.80x = 299,001,886.20 × 196,647,205.20
  4. Step 4: Simplify right side
    199,334,590.80x = 58,797,885,270,758,440
  5. Step 5: Solve for x
    x = 58,797,885,270,758,440/199,334,590.80
  6. Step 6: Final answer
    x = 294,970,807.80

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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.