Finding the Fourth Proportional to 193,585,816.08, 267,145,062.60 and 105,480,537.75
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Solution
The fourth proportional to 193,585,816.08, 267,145,062.60 and 105,480,537.75 is: 145,561,309.35
Step by Step Solution
- Step 1: Write the proportion equation
193,585,816.08 : 267,145,062.60 = 105,480,537.75 : x - Step 2: Convert to fraction form
193,585,816.08/267,145,062.60 = 105,480,537.75/x - Step 3: Cross multiply
193,585,816.08x = 267,145,062.60 × 105,480,537.75 - Step 4: Simplify right side
193,585,816.08x = 28,178,604,860,305,412 - Step 5: Solve for x
x = 28,178,604,860,305,412/193,585,816.08 - Step 6: Final answer
x = 145,561,309.35
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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.