Home / 172,400,736.48-258,594,806.08-51,229,039.20

Finding the Fourth Proportional to 172,400,736.48, 258,594,806.08 and 51,229,039.20

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Solution

The fourth proportional to 172,400,736.48, 258,594,806.08 and 51,229,039.20 is: 76,841,687.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,400,736.48 : 258,594,806.08 = 51,229,039.20 : x
  2. Step 2: Convert to fraction form
    172,400,736.48/258,594,806.08 = 51,229,039.20/x
  3. Step 3: Cross multiply
    172,400,736.48x = 258,594,806.08 × 51,229,039.20
  4. Step 4: Simplify right side
    172,400,736.48x = 13,247,563,457,588,720
  5. Step 5: Solve for x
    x = 13,247,563,457,588,720/172,400,736.48
  6. Step 6: Final answer
    x = 76,841,687.15

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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.