Home / 281,709,189.48-388,751,180.32-162,627,762.80

Finding the Fourth Proportional to 281,709,189.48, 388,751,180.32 and 162,627,762.80

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Solution

The fourth proportional to 281,709,189.48, 388,751,180.32 and 162,627,762.80 is: 224,421,982.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,709,189.48 : 388,751,180.32 = 162,627,762.80 : x
  2. Step 2: Convert to fraction form
    281,709,189.48/388,751,180.32 = 162,627,762.80/x
  3. Step 3: Cross multiply
    281,709,189.48x = 388,751,180.32 × 162,627,762.80
  4. Step 4: Simplify right side
    281,709,189.48x = 63,221,734,741,300,992
  5. Step 5: Solve for x
    x = 63,221,734,741,300,992/281,709,189.48
  6. Step 6: Final answer
    x = 224,421,982.32

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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.