Home / 319,873,201.28-479,986,850.49-156,112,314.33

Finding the Fourth Proportional to 319,873,201.28, 479,986,850.49 and 156,112,314.33

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Solution

The fourth proportional to 319,873,201.28, 479,986,850.49 and 156,112,314.33 is: 234,254,879.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,873,201.28 : 479,986,850.49 = 156,112,314.33 : x
  2. Step 2: Convert to fraction form
    319,873,201.28/479,986,850.49 = 156,112,314.33/x
  3. Step 3: Cross multiply
    319,873,201.28x = 479,986,850.49 × 156,112,314.33
  4. Step 4: Simplify right side
    319,873,201.28x = 74,931,858,077,961,600
  5. Step 5: Solve for x
    x = 74,931,858,077,961,600/319,873,201.28
  6. Step 6: Final answer
    x = 234,254,879.06

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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.