Finding the Fourth Proportional to 194,015,436.70, 291,235,731.45 and 121,314,307.90
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Solution
The fourth proportional to 194,015,436.70, 291,235,731.45 and 121,314,307.90 is: 182,104,381.99
Step by Step Solution
- Step 1: Write the proportion equation
194,015,436.70 : 291,235,731.45 = 121,314,307.90 : x - Step 2: Convert to fraction form
194,015,436.70/291,235,731.45 = 121,314,307.90/x - Step 3: Cross multiply
194,015,436.70x = 291,235,731.45 × 121,314,307.90 - Step 4: Simplify right side
194,015,436.70x = 35,331,061,196,607,012 - Step 5: Solve for x
x = 35,331,061,196,607,012/194,015,436.70 - Step 6: Final answer
x = 182,104,381.99
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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.