Finding the Fourth Proportional to 60,369,944.93, 90,535,720.13 and 19,419,852.09
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Solution
The fourth proportional to 60,369,944.93, 90,535,720.13 and 19,419,852.09 is: 29,123,602.74
Step by Step Solution
- Step 1: Write the proportion equation
60,369,944.93 : 90,535,720.13 = 19,419,852.09 : x - Step 2: Convert to fraction form
60,369,944.93/90,535,720.13 = 19,419,852.09/x - Step 3: Cross multiply
60,369,944.93x = 90,535,720.13 × 19,419,852.09 - Step 4: Simplify right side
60,369,944.93x = 1,758,190,293,689,136.25 - Step 5: Solve for x
x = 1,758,190,293,689,136.25/60,369,944.93 - Step 6: Final answer
x = 29,123,602.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.