Finding the Fourth Proportional to 343,727,947.62, 515,586,872.70 and 84,943,161.72
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Solution
The fourth proportional to 343,727,947.62, 515,586,872.70 and 84,943,161.72 is: 127,413,494.92
Step by Step Solution
- Step 1: Write the proportion equation
343,727,947.62 : 515,586,872.70 = 84,943,161.72 : x - Step 2: Convert to fraction form
343,727,947.62/515,586,872.70 = 84,943,161.72/x - Step 3: Cross multiply
343,727,947.62x = 515,586,872.70 × 84,943,161.72 - Step 4: Simplify right side
343,727,947.62x = 43,795,579,108,465,152 - Step 5: Solve for x
x = 43,795,579,108,465,152/343,727,947.62 - Step 6: Final answer
x = 127,413,494.92
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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.