Finding the Fourth Proportional to 115,893,504,929.80, 173,840,257,394.70 and 112,628,331,425.80
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Solution
The fourth proportional to 115,893,504,929.80, 173,840,257,394.70 and 112,628,331,425.80 is: 168,942,497,138.70
Step by Step Solution
- Step 1: Write the proportion equation
115,893,504,929.80 : 173,840,257,394.70 = 112,628,331,425.80 : x - Step 2: Convert to fraction form
115,893,504,929.80/173,840,257,394.70 = 112,628,331,425.80/x - Step 3: Cross multiply
115,893,504,929.80x = 173,840,257,394.70 × 112,628,331,425.80 - Step 4: Simplify right side
115,893,504,929.80x = 19,579,338,124,996,653,350,912 - Step 5: Solve for x
x = 19,579,338,124,996,653,350,912/115,893,504,929.80 - Step 6: Final answer
x = 168,942,497,138.70
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1.5x scale
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.