Finding the Fourth Proportional to 164,352,021.80, 246,528,032.70 and 116,576,277.80
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Solution
The fourth proportional to 164,352,021.80, 246,528,032.70 and 116,576,277.80 is: 174,864,416.70
Step by Step Solution
- Step 1: Write the proportion equation
164,352,021.80 : 246,528,032.70 = 116,576,277.80 : x - Step 2: Convert to fraction form
164,352,021.80/246,528,032.70 = 116,576,277.80/x - Step 3: Cross multiply
164,352,021.80x = 246,528,032.70 × 116,576,277.80 - Step 4: Simplify right side
164,352,021.80x = 28,739,320,425,522,680 - Step 5: Solve for x
x = 28,739,320,425,522,680/164,352,021.80 - Step 6: Final answer
x = 174,864,416.70
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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.