Finding the Fourth Proportional to 187,194,605.04, 258,393,486.24 and 128,651,064.48
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Solution
The fourth proportional to 187,194,605.04, 258,393,486.24 and 128,651,064.48 is: 177,583,093.55
Step by Step Solution
- Step 1: Write the proportion equation
187,194,605.04 : 258,393,486.24 = 128,651,064.48 : x - Step 2: Convert to fraction form
187,194,605.04/258,393,486.24 = 128,651,064.48/x - Step 3: Cross multiply
187,194,605.04x = 258,393,486.24 × 128,651,064.48 - Step 4: Simplify right side
187,194,605.04x = 33,242,597,059,474,236 - Step 5: Solve for x
x = 33,242,597,059,474,236/187,194,605.04 - Step 6: Final answer
x = 177,583,093.55
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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.