Finding the Fourth Proportional to 252,281,832.13, 378,507,959.18 and 158,979,064.91
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Solution
The fourth proportional to 252,281,832.13, 378,507,959.18 and 158,979,064.91 is: 238,522,294.31
Step by Step Solution
- Step 1: Write the proportion equation
252,281,832.13 : 378,507,959.18 = 158,979,064.91 : x - Step 2: Convert to fraction form
252,281,832.13/378,507,959.18 = 158,979,064.91/x - Step 3: Cross multiply
252,281,832.13x = 378,507,959.18 × 158,979,064.91 - Step 4: Simplify right side
252,281,832.13x = 60,174,841,412,772,568 - Step 5: Solve for x
x = 60,174,841,412,772,568/252,281,832.13 - Step 6: Final answer
x = 238,522,294.31
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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.