Finding the Fourth Proportional to 158,493,654.36, 237,738,118.20 and 54,938,242.08
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Solution
The fourth proportional to 158,493,654.36, 237,738,118.20 and 54,938,242.08 is: 82,406,543.92
Step by Step Solution
- Step 1: Write the proportion equation
158,493,654.36 : 237,738,118.20 = 54,938,242.08 : x - Step 2: Convert to fraction form
158,493,654.36/237,738,118.20 = 54,938,242.08/x - Step 3: Cross multiply
158,493,654.36x = 237,738,118.20 × 54,938,242.08 - Step 4: Simplify right side
158,493,654.36x = 13,060,914,289,315,252 - Step 5: Solve for x
x = 13,060,914,289,315,252/158,493,654.36 - Step 6: Final answer
x = 82,406,543.92
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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.