Home / 213,124,600.84-294,111,946.32-115,339,456.84

Finding the Fourth Proportional to 213,124,600.84, 294,111,946.32 and 115,339,456.84

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Solution

The fourth proportional to 213,124,600.84, 294,111,946.32 and 115,339,456.84 is: 159,168,448.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,124,600.84 : 294,111,946.32 = 115,339,456.84 : x
  2. Step 2: Convert to fraction form
    213,124,600.84/294,111,946.32 = 115,339,456.84/x
  3. Step 3: Cross multiply
    213,124,600.84x = 294,111,946.32 × 115,339,456.84
  4. Step 4: Simplify right side
    213,124,600.84x = 33,922,712,138,704,036
  5. Step 5: Solve for x
    x = 33,922,712,138,704,036/213,124,600.84
  6. Step 6: Final answer
    x = 159,168,448.90

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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.