Home / 314,112,231.20-471,168,346.80-122,636,007.20

Finding the Fourth Proportional to 314,112,231.20, 471,168,346.80 and 122,636,007.20

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Solution

The fourth proportional to 314,112,231.20, 471,168,346.80 and 122,636,007.20 is: 183,954,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,112,231.20 : 471,168,346.80 = 122,636,007.20 : x
  2. Step 2: Convert to fraction form
    314,112,231.20/471,168,346.80 = 122,636,007.20/x
  3. Step 3: Cross multiply
    314,112,231.20x = 471,168,346.80 × 122,636,007.20
  4. Step 4: Simplify right side
    314,112,231.20x = 57,782,204,770,576,896
  5. Step 5: Solve for x
    x = 57,782,204,770,576,896/314,112,231.20
  6. Step 6: Final answer
    x = 183,954,010.80

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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.