Home / 319,873,201.27-479,986,850.48-156,112,314.32

Finding the Fourth Proportional to 319,873,201.27, 479,986,850.48 and 156,112,314.32

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Solution

The fourth proportional to 319,873,201.27, 479,986,850.48 and 156,112,314.32 is: 234,254,879.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,873,201.27 : 479,986,850.48 = 156,112,314.32 : x
  2. Step 2: Convert to fraction form
    319,873,201.27/479,986,850.48 = 156,112,314.32/x
  3. Step 3: Cross multiply
    319,873,201.27x = 479,986,850.48 × 156,112,314.32
  4. Step 4: Simplify right side
    319,873,201.27x = 74,931,858,072,020,000
  5. Step 5: Solve for x
    x = 74,931,858,072,020,000/319,873,201.27
  6. Step 6: Final answer
    x = 234,254,879.04

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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.