Finding the Fourth Proportional to 312,672,367.36, 469,011,918.67 and 94,324,601.14
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Solution
The fourth proportional to 312,672,367.36, 469,011,918.67 and 94,324,601.14 is: 141,487,917.63
Step by Step Solution
- Step 1: Write the proportion equation
312,672,367.36 : 469,011,918.67 = 94,324,601.14 : x - Step 2: Convert to fraction form
312,672,367.36/469,011,918.67 = 94,324,601.14/x - Step 3: Cross multiply
312,672,367.36x = 469,011,918.67 × 94,324,601.14 - Step 4: Simplify right side
312,672,367.36x = 44,239,362,157,045,528 - Step 5: Solve for x
x = 44,239,362,157,045,528/312,672,367.36 - Step 6: Final answer
x = 141,487,917.63
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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.