Finding the Fourth Proportional to 370,176,153.20, 555,264,229.80 and 188,777,625.20
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Solution
The fourth proportional to 370,176,153.20, 555,264,229.80 and 188,777,625.20 is: 283,166,437.80
Step by Step Solution
- Step 1: Write the proportion equation
370,176,153.20 : 555,264,229.80 = 188,777,625.20 : x - Step 2: Convert to fraction form
370,176,153.20/555,264,229.80 = 188,777,625.20/x - Step 3: Cross multiply
370,176,153.20x = 555,264,229.80 × 188,777,625.20 - Step 4: Simplify right side
370,176,153.20x = 104,821,462,660,151,056 - Step 5: Solve for x
x = 104,821,462,660,151,056/370,176,153.20 - Step 6: Final answer
x = 283,166,437.80
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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.