Finding the Fourth Proportional to 108,123,122.24, 149,208,720.48 and 58,562,264
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Solution
The fourth proportional to 108,123,122.24, 149,208,720.48 and 58,562,264 is: 80,815,280.75
Step by Step Solution
- Step 1: Write the proportion equation
108,123,122.24 : 149,208,720.48 = 58,562,264 : x - Step 2: Convert to fraction form
108,123,122.24/149,208,720.48 = 58,562,264/x - Step 3: Cross multiply
108,123,122.24x = 149,208,720.48 × 58,562,264 - Step 4: Simplify right side
108,123,122.24x = 8,738,000,479,851,966 - Step 5: Solve for x
x = 8,738,000,479,851,966/108,123,122.24 - Step 6: Final answer
x = 80,815,280.75
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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.