Finding the Fourth Proportional to 205,232,486.16, 283,224,510.99 and 112,407,015.30
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Solution
The fourth proportional to 205,232,486.16, 283,224,510.99 and 112,407,015.30 is: 155,123,696.72
Step by Step Solution
- Step 1: Write the proportion equation
205,232,486.16 : 283,224,510.99 = 112,407,015.30 : x - Step 2: Convert to fraction form
205,232,486.16/283,224,510.99 = 112,407,015.30/x - Step 3: Cross multiply
205,232,486.16x = 283,224,510.99 × 112,407,015.30 - Step 4: Simplify right side
205,232,486.16x = 31,836,421,940,187,948 - Step 5: Solve for x
x = 31,836,421,940,187,948/205,232,486.16 - Step 6: Final answer
x = 155,123,696.72
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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.