Finding the Fourth Proportional to 76,153,305,838.53, 105,090,148,265.09 and 41,858,279,245.79
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Solution
The fourth proportional to 76,153,305,838.53, 105,090,148,265.09 and 41,858,279,245.79 is: 57,763,648,256.96
Step by Step Solution
- Step 1: Write the proportion equation
76,153,305,838.53 : 105,090,148,265.09 = 41,858,279,245.79 : x - Step 2: Convert to fraction form
76,153,305,838.53/105,090,148,265.09 = 41,858,279,245.79/x - Step 3: Cross multiply
76,153,305,838.53x = 105,090,148,265.09 × 41,858,279,245.79 - Step 4: Simplify right side
76,153,305,838.53x = 4,398,892,772,061,085,696,000 - Step 5: Solve for x
x = 4,398,892,772,061,085,696,000/76,153,305,838.53 - Step 6: Final answer
x = 57,763,648,256.96
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1.5x scale
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.