Finding the Fourth Proportional to 272,173,365.80, 408,260,048.70 and 157,382,109.80
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Solution
The fourth proportional to 272,173,365.80, 408,260,048.70 and 157,382,109.80 is: 236,073,164.70
Step by Step Solution
- Step 1: Write the proportion equation
272,173,365.80 : 408,260,048.70 = 157,382,109.80 : x - Step 2: Convert to fraction form
272,173,365.80/408,260,048.70 = 157,382,109.80/x - Step 3: Cross multiply
272,173,365.80x = 408,260,048.70 × 157,382,109.80 - Step 4: Simplify right side
272,173,365.80x = 64,252,827,811,456,752 - Step 5: Solve for x
x = 64,252,827,811,456,752/272,173,365.80 - Step 6: Final answer
x = 236,073,164.70
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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.