Finding the Fourth Proportional to 116,413,802.20, 174,620,703.30 and 39,739,331.80
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Solution
The fourth proportional to 116,413,802.20, 174,620,703.30 and 39,739,331.80 is: 59,608,997.70
Step by Step Solution
- Step 1: Write the proportion equation
116,413,802.20 : 174,620,703.30 = 39,739,331.80 : x - Step 2: Convert to fraction form
116,413,802.20/174,620,703.30 = 39,739,331.80/x - Step 3: Cross multiply
116,413,802.20x = 174,620,703.30 × 39,739,331.80 - Step 4: Simplify right side
116,413,802.20x = 6,939,310,067,588,055 - Step 5: Solve for x
x = 6,939,310,067,588,055/116,413,802.20 - Step 6: Final answer
x = 59,608,997.70
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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.