Finding the Fourth Proportional to 205,190,860.94, 283,157,902.95 and 117,083,257.82
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Solution
The fourth proportional to 205,190,860.94, 283,157,902.95 and 117,083,257.82 is: 161,571,765.93
Step by Step Solution
- Step 1: Write the proportion equation
205,190,860.94 : 283,157,902.95 = 117,083,257.82 : x - Step 2: Convert to fraction form
205,190,860.94/283,157,902.95 = 117,083,257.82/x - Step 3: Cross multiply
205,190,860.94x = 283,157,902.95 × 117,083,257.82 - Step 4: Simplify right side
205,190,860.94x = 33,153,049,754,865,384 - Step 5: Solve for x
x = 33,153,049,754,865,384/205,190,860.94 - Step 6: Final answer
x = 161,571,765.93
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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.