Home / 172,509,838.94-258,845,564.43-85,023,664.00

Finding the Fourth Proportional to 172,509,838.94, 258,845,564.43 and 85,023,664.00

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Solution

The fourth proportional to 172,509,838.94, 258,845,564.43 and 85,023,664.00 is: 127,575,322.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,509,838.94 : 258,845,564.43 = 85,023,664.00 : x
  2. Step 2: Convert to fraction form
    172,509,838.94/258,845,564.43 = 85,023,664.00/x
  3. Step 3: Cross multiply
    172,509,838.94x = 258,845,564.43 × 85,023,664.00
  4. Step 4: Simplify right side
    172,509,838.94x = 22,007,998,297,339,560
  5. Step 5: Solve for x
    x = 22,007,998,297,339,560/172,509,838.94
  6. Step 6: Final answer
    x = 127,575,322.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.