Finding the Fourth Proportional to 228,480,121.94, 315,293,725.17 and 124,055,803.62
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Solution
The fourth proportional to 228,480,121.94, 315,293,725.17 and 124,055,803.62 is: 171,192,207.54
Step by Step Solution
- Step 1: Write the proportion equation
228,480,121.94 : 315,293,725.17 = 124,055,803.62 : x - Step 2: Convert to fraction form
228,480,121.94/315,293,725.17 = 124,055,803.62/x - Step 3: Cross multiply
228,480,121.94x = 315,293,725.17 × 124,055,803.62 - Step 4: Simplify right side
228,480,121.94x = 39,114,016,452,307,776 - Step 5: Solve for x
x = 39,114,016,452,307,776/228,480,121.94 - Step 6: Final answer
x = 171,192,207.54
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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.