Finding the Fourth Proportional to 272,131,308.24, 408,136,513.68 and 78,041,881.68
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Solution
The fourth proportional to 272,131,308.24, 408,136,513.68 and 78,041,881.68 is: 117,045,487.03
Step by Step Solution
- Step 1: Write the proportion equation
272,131,308.24 : 408,136,513.68 = 78,041,881.68 : x - Step 2: Convert to fraction form
272,131,308.24/408,136,513.68 = 78,041,881.68/x - Step 3: Cross multiply
272,131,308.24x = 408,136,513.68 × 78,041,881.68 - Step 4: Simplify right side
272,131,308.24x = 31,851,741,509,902,264 - Step 5: Solve for x
x = 31,851,741,509,902,264/272,131,308.24 - Step 6: Final answer
x = 117,045,487.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.