Finding the Fourth Proportional to 263,811,770.08, 395,721,022.76 and 69,721,508.36
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Solution
The fourth proportional to 263,811,770.08, 395,721,022.76 and 69,721,508.36 is: 104,583,152.56
Step by Step Solution
- Step 1: Write the proportion equation
263,811,770.08 : 395,721,022.76 = 69,721,508.36 : x - Step 2: Convert to fraction form
263,811,770.08/395,721,022.76 = 69,721,508.36/x - Step 3: Cross multiply
263,811,770.08x = 395,721,022.76 × 69,721,508.36 - Step 4: Simplify right side
263,811,770.08x = 27,590,266,596,414,784 - Step 5: Solve for x
x = 27,590,266,596,414,784/263,811,770.08 - Step 6: Final answer
x = 104,583,152.56
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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.