Finding the Fourth Proportional to 173,045,369.19, 238,802,590.20 and 93,660,417.12
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Solution
The fourth proportional to 173,045,369.19, 238,802,590.20 and 93,660,417.12 is: 129,251,365.19
Step by Step Solution
- Step 1: Write the proportion equation
173,045,369.19 : 238,802,590.20 = 93,660,417.12 : x - Step 2: Convert to fraction form
173,045,369.19/238,802,590.20 = 93,660,417.12/x - Step 3: Cross multiply
173,045,369.19x = 238,802,590.20 × 93,660,417.12 - Step 4: Simplify right side
173,045,369.19x = 22,366,350,207,468,424 - Step 5: Solve for x
x = 22,366,350,207,468,424/173,045,369.19 - Step 6: Final answer
x = 129,251,365.19
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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.