Finding the Fourth Proportional to 248,331,948,179.61, 372,497,922,273.06 and 78,368,763,125.82
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Solution
The fourth proportional to 248,331,948,179.61, 372,497,922,273.06 and 78,368,763,125.82 is: 117,553,144,689.88
Step by Step Solution
- Step 1: Write the proportion equation
248,331,948,179.61 : 372,497,922,273.06 = 78,368,763,125.82 : x - Step 2: Convert to fraction form
248,331,948,179.61/372,497,922,273.06 = 78,368,763,125.82/x - Step 3: Cross multiply
248,331,948,179.61x = 372,497,922,273.06 × 78,368,763,125.82 - Step 4: Simplify right side
248,331,948,179.61x = 29,192,201,435,477,551,611,904 - Step 5: Solve for x
x = 29,192,201,435,477,551,611,904/248,331,948,179.61 - Step 6: Final answer
x = 117,553,144,689.88
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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.