Finding the Fourth Proportional to 53,181,873.80, 79,772,810.70 and 27,672,705.80
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Solution
The fourth proportional to 53,181,873.80, 79,772,810.70 and 27,672,705.80 is: 41,509,058.70
Step by Step Solution
- Step 1: Write the proportion equation
53,181,873.80 : 79,772,810.70 = 27,672,705.80 : x - Step 2: Convert to fraction form
53,181,873.80/79,772,810.70 = 27,672,705.80/x - Step 3: Cross multiply
53,181,873.80x = 79,772,810.70 × 27,672,705.80 - Step 4: Simplify right side
53,181,873.80x = 2,207,529,521,340,192.25 - Step 5: Solve for x
x = 2,207,529,521,340,192.25/53,181,873.80 - Step 6: Final answer
x = 41,509,058.70
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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.