Finding the Fourth Proportional to 83,585,485.14, 115,350,855.39 and 46,416,387.66
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Solution
The fourth proportional to 83,585,485.14, 115,350,855.39 and 46,416,387.66 is: 64,056,217.56
Step by Step Solution
- Step 1: Write the proportion equation
83,585,485.14 : 115,350,855.39 = 46,416,387.66 : x - Step 2: Convert to fraction form
83,585,485.14/115,350,855.39 = 46,416,387.66/x - Step 3: Cross multiply
83,585,485.14x = 115,350,855.39 × 46,416,387.66 - Step 4: Simplify right side
83,585,485.14x = 5,354,170,020,694,840 - Step 5: Solve for x
x = 5,354,170,020,694,840/83,585,485.14 - Step 6: Final answer
x = 64,056,217.56
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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.