Finding the Fourth Proportional to 248,331,948,178.12, 372,497,922,270.80 and 78,368,763,124.33
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Solution
The fourth proportional to 248,331,948,178.12, 372,497,922,270.80 and 78,368,763,124.33 is: 117,553,144,687.63
Step by Step Solution
- Step 1: Write the proportion equation
248,331,948,178.12 : 372,497,922,270.80 = 78,368,763,124.33 : x - Step 2: Convert to fraction form
248,331,948,178.12/372,497,922,270.80 = 78,368,763,124.33/x - Step 3: Cross multiply
248,331,948,178.12x = 372,497,922,270.80 × 78,368,763,124.33 - Step 4: Simplify right side
248,331,948,178.12x = 29,192,201,434,743,925,899,264 - Step 5: Solve for x
x = 29,192,201,434,743,925,899,264/248,331,948,178.12 - Step 6: Final answer
x = 117,553,144,687.63
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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.