Finding the Fourth Proportional to 137,397,331.07, 206,198,166.42 and 55,516,921.31
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Solution
The fourth proportional to 137,397,331.07, 206,198,166.42 and 55,516,921.31 is: 83,316,664.82
Step by Step Solution
- Step 1: Write the proportion equation
137,397,331.07 : 206,198,166.42 = 55,516,921.31 : x - Step 2: Convert to fraction form
137,397,331.07/206,198,166.42 = 55,516,921.31/x - Step 3: Cross multiply
137,397,331.07x = 206,198,166.42 × 55,516,921.31 - Step 4: Simplify right side
137,397,331.07x = 11,447,487,379,405,424 - Step 5: Solve for x
x = 11,447,487,379,405,424/137,397,331.07 - Step 6: Final answer
x = 83,316,664.82
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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.