Finding the Fourth Proportional to 129,085,192,237.20, 193,368,475,156.68 and 64,277,635,344
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Solution
The fourth proportional to 129,085,192,237.20, 193,368,475,156.68 and 64,277,635,344 is: 96,287,328,683.74
Step by Step Solution
- Step 1: Write the proportion equation
129,085,192,237.20 : 193,368,475,156.68 = 64,277,635,344 : x - Step 2: Convert to fraction form
129,085,192,237.20/193,368,475,156.68 = 64,277,635,344/x - Step 3: Cross multiply
129,085,192,237.20x = 193,368,475,156.68 × 64,277,635,344 - Step 4: Simplify right side
129,085,192,237.20x = 12,429,268,333,146,400,620,544 - Step 5: Solve for x
x = 12,429,268,333,146,400,620,544/129,085,192,237.20 - Step 6: Final answer
x = 96,287,328,683.74
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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.