Finding the Fourth Proportional to 157,465,490.40, 236,198,235.60 and 96,243,487.20
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Solution
The fourth proportional to 157,465,490.40, 236,198,235.60 and 96,243,487.20 is: 144,365,230.80
Step by Step Solution
- Step 1: Write the proportion equation
157,465,490.40 : 236,198,235.60 = 96,243,487.20 : x - Step 2: Convert to fraction form
157,465,490.40/236,198,235.60 = 96,243,487.20/x - Step 3: Cross multiply
157,465,490.40x = 236,198,235.60 × 96,243,487.20 - Step 4: Simplify right side
157,465,490.40x = 22,732,541,864,631,184 - Step 5: Solve for x
x = 22,732,541,864,631,184/157,465,490.40 - Step 6: Final answer
x = 144,365,230.80
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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.