Finding the Fourth Proportional to 271,359,718.25, 407,026,106.66 and 87,136,213.19
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Solution
The fourth proportional to 271,359,718.25, 407,026,106.66 and 87,136,213.19 is: 130,699,994.20
Step by Step Solution
- Step 1: Write the proportion equation
271,359,718.25 : 407,026,106.66 = 87,136,213.19 : x - Step 2: Convert to fraction form
271,359,718.25/407,026,106.66 = 87,136,213.19/x - Step 3: Cross multiply
271,359,718.25x = 407,026,106.66 × 87,136,213.19 - Step 4: Simplify right side
271,359,718.25x = 35,466,713,602,004,152 - Step 5: Solve for x
x = 35,466,713,602,004,152/271,359,718.25 - Step 6: Final answer
x = 130,699,994.20
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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.