Home / 213,124,986.24-294,112,477.44-115,339,842.24

Finding the Fourth Proportional to 213,124,986.24, 294,112,477.44 and 115,339,842.24

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Solution

The fourth proportional to 213,124,986.24, 294,112,477.44 and 115,339,842.24 is: 159,168,980.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,124,986.24 : 294,112,477.44 = 115,339,842.24 : x
  2. Step 2: Convert to fraction form
    213,124,986.24/294,112,477.44 = 115,339,842.24/x
  3. Step 3: Cross multiply
    213,124,986.24x = 294,112,477.44 × 115,339,842.24
  4. Step 4: Simplify right side
    213,124,986.24x = 33,922,886,748,745,156
  5. Step 5: Solve for x
    x = 33,922,886,748,745,156/213,124,986.24
  6. Step 6: Final answer
    x = 159,168,980.36

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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.