Finding the Fourth Proportional to 258,170,752.74, 387,337,993.47 and 92,170,696.44
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Solution
The fourth proportional to 258,170,752.74, 387,337,993.47 and 92,170,696.44 is: 138,285,271.42
Step by Step Solution
- Step 1: Write the proportion equation
258,170,752.74 : 387,337,993.47 = 92,170,696.44 : x - Step 2: Convert to fraction form
258,170,752.74/387,337,993.47 = 92,170,696.44/x - Step 3: Cross multiply
258,170,752.74x = 387,337,993.47 × 92,170,696.44 - Step 4: Simplify right side
258,170,752.74x = 35,701,212,615,802,072 - Step 5: Solve for x
x = 35,701,212,615,802,072/258,170,752.74 - Step 6: Final answer
x = 138,285,271.42
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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.