Finding the Fourth Proportional to 181,656,357.16, 251,013,689.99 and 129,354,591.55
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Solution
The fourth proportional to 181,656,357.16, 251,013,689.99 and 129,354,591.55 is: 178,742,840.88
Step by Step Solution
- Step 1: Write the proportion equation
181,656,357.16 : 251,013,689.99 = 129,354,591.55 : x - Step 2: Convert to fraction form
181,656,357.16/251,013,689.99 = 129,354,591.55/x - Step 3: Cross multiply
181,656,357.16x = 251,013,689.99 × 129,354,591.55 - Step 4: Simplify right side
181,656,357.16x = 32,469,773,342,114,776 - Step 5: Solve for x
x = 32,469,773,342,114,776/181,656,357.16 - Step 6: Final answer
x = 178,742,840.88
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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.