Home / 300,288,786.86-414,442,031.91-168,138,299.69

Finding the Fourth Proportional to 300,288,786.86, 414,442,031.91 and 168,138,299.69

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Solution

The fourth proportional to 300,288,786.86, 414,442,031.91 and 168,138,299.69 is: 232,055,213.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,288,786.86 : 414,442,031.91 = 168,138,299.69 : x
  2. Step 2: Convert to fraction form
    300,288,786.86/414,442,031.91 = 168,138,299.69/x
  3. Step 3: Cross multiply
    300,288,786.86x = 414,442,031.91 × 168,138,299.69
  4. Step 4: Simplify right side
    300,288,786.86x = 69,683,578,566,151,632
  5. Step 5: Solve for x
    x = 69,683,578,566,151,632/300,288,786.86
  6. Step 6: Final answer
    x = 232,055,213.56

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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.