Finding the Fourth Proportional to 157,522,561.51, 217,375,436.53 and 86,956,656.09
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Solution
The fourth proportional to 157,522,561.51, 217,375,436.53 and 86,956,656.09 is: 119,997,039.76
Step by Step Solution
- Step 1: Write the proportion equation
157,522,561.51 : 217,375,436.53 = 86,956,656.09 : x - Step 2: Convert to fraction form
157,522,561.51/217,375,436.53 = 86,956,656.09/x - Step 3: Cross multiply
157,522,561.51x = 217,375,436.53 × 86,956,656.09 - Step 4: Simplify right side
157,522,561.51x = 18,902,241,076,535,444 - Step 5: Solve for x
x = 18,902,241,076,535,444/157,522,561.51 - Step 6: Final answer
x = 119,997,039.76
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.