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Finding the Fourth Proportional to 169,902,970.54, 254,892,800.32 and 51,738,301.96

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Solution

The fourth proportional to 169,902,970.54, 254,892,800.32 and 51,738,301.96 is: 77,619,129.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,902,970.54 : 254,892,800.32 = 51,738,301.96 : x
  2. Step 2: Convert to fraction form
    169,902,970.54/254,892,800.32 = 51,738,301.96/x
  3. Step 3: Cross multiply
    169,902,970.54x = 254,892,800.32 × 51,738,301.96
  4. Step 4: Simplify right side
    169,902,970.54x = 13,187,720,669,619,568
  5. Step 5: Solve for x
    x = 13,187,720,669,619,568/169,902,970.54
  6. Step 6: Final answer
    x = 77,619,129.48

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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.