Home / 115,318,018,949.52-172,913,970,440.40-91,567,092,369.72

Finding the Fourth Proportional to 115,318,018,949.52, 172,913,970,440.40 and 91,567,092,369.72

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Solution

The fourth proportional to 115,318,018,949.52, 172,913,970,440.40 and 91,567,092,369.72 is: 137,300,568,008.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,318,018,949.52 : 172,913,970,440.40 = 91,567,092,369.72 : x
  2. Step 2: Convert to fraction form
    115,318,018,949.52/172,913,970,440.40 = 91,567,092,369.72/x
  3. Step 3: Cross multiply
    115,318,018,949.52x = 172,913,970,440.40 × 91,567,092,369.72
  4. Step 4: Simplify right side
    115,318,018,949.52x = 15,833,229,503,331,139,846,144
  5. Step 5: Solve for x
    x = 15,833,229,503,331,139,846,144/115,318,018,949.52
  6. Step 6: Final answer
    x = 137,300,568,008.04

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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.