Finding the Fourth Proportional to 157,465,370.40, 236,198,055.60 and 96,243,367.20
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Solution
The fourth proportional to 157,465,370.40, 236,198,055.60 and 96,243,367.20 is: 144,365,050.80
Step by Step Solution
- Step 1: Write the proportion equation
157,465,370.40 : 236,198,055.60 = 96,243,367.20 : x - Step 2: Convert to fraction form
157,465,370.40/236,198,055.60 = 96,243,367.20/x - Step 3: Cross multiply
157,465,370.40x = 236,198,055.60 × 96,243,367.20 - Step 4: Simplify right side
157,465,370.40x = 22,732,496,197,036,816 - Step 5: Solve for x
x = 22,732,496,197,036,816/157,465,370.40 - Step 6: Final answer
x = 144,365,050.80
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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.