Finding the Fourth Proportional to 272,127,187.98, 375,524,700.80 and 160,653,936.96
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Solution
The fourth proportional to 272,127,187.98, 375,524,700.80 and 160,653,936.96 is: 221,696,046.09
Step by Step Solution
- Step 1: Write the proportion equation
272,127,187.98 : 375,524,700.80 = 160,653,936.96 : x - Step 2: Convert to fraction form
272,127,187.98/375,524,700.80 = 160,653,936.96/x - Step 3: Cross multiply
272,127,187.98x = 375,524,700.80 × 160,653,936.96 - Step 4: Simplify right side
272,127,187.98x = 60,329,521,608,442,800 - Step 5: Solve for x
x = 60,329,521,608,442,800/272,127,187.98 - Step 6: Final answer
x = 221,696,046.09
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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.