Home / 339,556,552.80-509,334,829.20-121,311,448.80

Finding the Fourth Proportional to 339,556,552.80, 509,334,829.20 and 121,311,448.80

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Solution

The fourth proportional to 339,556,552.80, 509,334,829.20 and 121,311,448.80 is: 181,967,173.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,556,552.80 : 509,334,829.20 = 121,311,448.80 : x
  2. Step 2: Convert to fraction form
    339,556,552.80/509,334,829.20 = 121,311,448.80/x
  3. Step 3: Cross multiply
    339,556,552.80x = 509,334,829.20 × 121,311,448.80
  4. Step 4: Simplify right side
    339,556,552.80x = 61,788,146,054,552,544
  5. Step 5: Solve for x
    x = 61,788,146,054,552,544/339,556,552.80
  6. Step 6: Final answer
    x = 181,967,173.20

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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.