Finding the Fourth Proportional to 252,739,315.96, 379,248,864.18 and 123,347,997.88
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Solution
The fourth proportional to 252,739,315.96, 379,248,864.18 and 123,347,997.88 is: 185,090,269.46
Step by Step Solution
- Step 1: Write the proportion equation
252,739,315.96 : 379,248,864.18 = 123,347,997.88 : x - Step 2: Convert to fraction form
252,739,315.96/379,248,864.18 = 123,347,997.88/x - Step 3: Cross multiply
252,739,315.96x = 379,248,864.18 × 123,347,997.88 - Step 4: Simplify right side
252,739,315.96x = 46,779,588,094,867,048 - Step 5: Solve for x
x = 46,779,588,094,867,048/252,739,315.96 - Step 6: Final answer
x = 185,090,269.46
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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.