Home / 298,571,873.45-412,031,097.99-166,421,249.42

Finding the Fourth Proportional to 298,571,873.45, 412,031,097.99 and 166,421,249.42

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Solution

The fourth proportional to 298,571,873.45, 412,031,097.99 and 166,421,249.42 is: 229,662,390.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,571,873.45 : 412,031,097.99 = 166,421,249.42 : x
  2. Step 2: Convert to fraction form
    298,571,873.45/412,031,097.99 = 166,421,249.42/x
  3. Step 3: Cross multiply
    298,571,873.45x = 412,031,097.99 × 166,421,249.42
  4. Step 4: Simplify right side
    298,571,873.45x = 68,570,730,124,497,984
  5. Step 5: Solve for x
    x = 68,570,730,124,497,984/298,571,873.45
  6. Step 6: Final answer
    x = 229,662,390.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.