Home / 199,590,556.80-299,385,835.20-90,468,004.80

Finding the Fourth Proportional to 199,590,556.80, 299,385,835.20 and 90,468,004.80

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Solution

The fourth proportional to 199,590,556.80, 299,385,835.20 and 90,468,004.80 is: 135,702,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,590,556.80 : 299,385,835.20 = 90,468,004.80 : x
  2. Step 2: Convert to fraction form
    199,590,556.80/299,385,835.20 = 90,468,004.80/x
  3. Step 3: Cross multiply
    199,590,556.80x = 299,385,835.20 × 90,468,004.80
  4. Step 4: Simplify right side
    199,590,556.80x = 27,084,839,175,925,608
  5. Step 5: Solve for x
    x = 27,084,839,175,925,608/199,590,556.80
  6. Step 6: Final answer
    x = 135,702,007.20

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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.