Finding the Fourth Proportional to 157,374,591.14, 217,177,144.99 and 86,808,609.56
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Solution
The fourth proportional to 157,374,591.14, 217,177,144.99 and 86,808,609.56 is: 119,795,996.60
Step by Step Solution
- Step 1: Write the proportion equation
157,374,591.14 : 217,177,144.99 = 86,808,609.56 : x - Step 2: Convert to fraction form
157,374,591.14/217,177,144.99 = 86,808,609.56/x - Step 3: Cross multiply
157,374,591.14x = 217,177,144.99 × 86,808,609.56 - Step 4: Simplify right side
157,374,591.14x = 18,852,845,985,118,344 - Step 5: Solve for x
x = 18,852,845,985,118,344/157,374,591.14 - Step 6: Final answer
x = 119,795,996.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.