Finding the Fourth Proportional to 247,721,438.40, 341,351,862.93 and 191,626,216.26
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Solution
The fourth proportional to 247,721,438.40, 341,351,862.93 and 191,626,216.26 is: 264,054,521.60
Step by Step Solution
- Step 1: Write the proportion equation
247,721,438.40 : 341,351,862.93 = 191,626,216.26 : x - Step 2: Convert to fraction form
247,721,438.40/341,351,862.93 = 191,626,216.26/x - Step 3: Cross multiply
247,721,438.40x = 341,351,862.93 × 191,626,216.26 - Step 4: Simplify right side
247,721,438.40x = 65,411,965,906,578,056 - Step 5: Solve for x
x = 65,411,965,906,578,056/247,721,438.40 - Step 6: Final answer
x = 264,054,521.60
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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.