Home / 298,077,481.52-447,182,907.69-90,832,112.03

Finding the Fourth Proportional to 298,077,481.52, 447,182,907.69 and 90,832,112.03

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Solution

The fourth proportional to 298,077,481.52, 447,182,907.69 and 90,832,112.03 is: 136,268,488.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,077,481.52 : 447,182,907.69 = 90,832,112.03 : x
  2. Step 2: Convert to fraction form
    298,077,481.52/447,182,907.69 = 90,832,112.03/x
  3. Step 3: Cross multiply
    298,077,481.52x = 447,182,907.69 × 90,832,112.03
  4. Step 4: Simplify right side
    298,077,481.52x = 40,618,567,966,963,320
  5. Step 5: Solve for x
    x = 40,618,567,966,963,320/298,077,481.52
  6. Step 6: Final answer
    x = 136,268,488.85

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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.