Finding the Fourth Proportional to 229,096,396.39, 316,163,437.80 and 135,014,514.07
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Solution
The fourth proportional to 229,096,396.39, 316,163,437.80 and 135,014,514.07 is: 186,326,164.85
Step by Step Solution
- Step 1: Write the proportion equation
229,096,396.39 : 316,163,437.80 = 135,014,514.07 : x - Step 2: Convert to fraction form
229,096,396.39/316,163,437.80 = 135,014,514.07/x - Step 3: Cross multiply
229,096,396.39x = 316,163,437.80 × 135,014,514.07 - Step 4: Simplify right side
229,096,396.39x = 42,686,652,920,565,336 - Step 5: Solve for x
x = 42,686,652,920,565,336/229,096,396.39 - Step 6: Final answer
x = 186,326,164.85
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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.