Home / 387,042,977.00-534,102,078.52-226,121,876.06

Finding the Fourth Proportional to 387,042,977.00, 534,102,078.52 and 226,121,876.06

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Solution

The fourth proportional to 387,042,977.00, 534,102,078.52 and 226,121,876.06 is: 312,038,122.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,042,977.00 : 534,102,078.52 = 226,121,876.06 : x
  2. Step 2: Convert to fraction form
    387,042,977.00/534,102,078.52 = 226,121,876.06/x
  3. Step 3: Cross multiply
    387,042,977.00x = 534,102,078.52 × 226,121,876.06
  4. Step 4: Simplify right side
    387,042,977.00x = 120,772,164,002,487,824
  5. Step 5: Solve for x
    x = 120,772,164,002,487,824/387,042,977.00
  6. Step 6: Final answer
    x = 312,038,122.85

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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.