Home / 213,124,963.74-294,112,446.39-115,339,819.74

Finding the Fourth Proportional to 213,124,963.74, 294,112,446.39 and 115,339,819.74

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Solution

The fourth proportional to 213,124,963.74, 294,112,446.39 and 115,339,819.74 is: 159,168,949.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,124,963.74 : 294,112,446.39 = 115,339,819.74 : x
  2. Step 2: Convert to fraction form
    213,124,963.74/294,112,446.39 = 115,339,819.74/x
  3. Step 3: Cross multiply
    213,124,963.74x = 294,112,446.39 × 115,339,819.74
  4. Step 4: Simplify right side
    213,124,963.74x = 33,922,876,549,913,012
  5. Step 5: Solve for x
    x = 33,922,876,549,913,012/213,124,963.74
  6. Step 6: Final answer
    x = 159,168,949.31

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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.