Home / 213,108,707.52-294,090,013.44-115,323,563.52

Finding the Fourth Proportional to 213,108,707.52, 294,090,013.44 and 115,323,563.52

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Solution

The fourth proportional to 213,108,707.52, 294,090,013.44 and 115,323,563.52 is: 159,146,516.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,108,707.52 : 294,090,013.44 = 115,323,563.52 : x
  2. Step 2: Convert to fraction form
    213,108,707.52/294,090,013.44 = 115,323,563.52/x
  3. Step 3: Cross multiply
    213,108,707.52x = 294,090,013.44 × 115,323,563.52
  4. Step 4: Simplify right side
    213,108,707.52x = 33,915,508,345,545,492
  5. Step 5: Solve for x
    x = 33,915,508,345,545,492/213,108,707.52
  6. Step 6: Final answer
    x = 159,146,516.07

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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.