Finding the Fourth Proportional to 115,893,504,029.80, 173,840,256,044.70 and 112,628,330,525.80
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Solution
The fourth proportional to 115,893,504,029.80, 173,840,256,044.70 and 112,628,330,525.80 is: 168,942,495,788.70
Step by Step Solution
- Step 1: Write the proportion equation
115,893,504,029.80 : 173,840,256,044.70 = 112,628,330,525.80 : x - Step 2: Convert to fraction form
115,893,504,029.80/173,840,256,044.70 = 112,628,330,525.80/x - Step 3: Cross multiply
115,893,504,029.80x = 173,840,256,044.70 × 112,628,330,525.80 - Step 4: Simplify right side
115,893,504,029.80x = 19,579,337,816,492,176,572,416 - Step 5: Solve for x
x = 19,579,337,816,492,176,572,416/115,893,504,029.80 - Step 6: Final answer
x = 168,942,495,788.70
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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.