Finding the Fourth Proportional to 129,336,136.16, 193,932,426.85 and 43,027,427.75
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Solution
The fourth proportional to 129,336,136.16, 193,932,426.85 and 43,027,427.75 is: 64,517,262.78
Step by Step Solution
- Step 1: Write the proportion equation
129,336,136.16 : 193,932,426.85 = 43,027,427.75 : x - Step 2: Convert to fraction form
129,336,136.16/193,932,426.85 = 43,027,427.75/x - Step 3: Cross multiply
129,336,136.16x = 193,932,426.85 × 43,027,427.75 - Step 4: Simplify right side
129,336,136.16x = 8,344,413,483,593,304 - Step 5: Solve for x
x = 8,344,413,483,593,304/129,336,136.16 - Step 6: Final answer
x = 64,517,262.78
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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.