Finding the Fourth Proportional to 217,953,576.09, 300,778,282.53 and 118,833,514.63
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Solution
The fourth proportional to 217,953,576.09, 300,778,282.53 and 118,833,514.63 is: 163,991,530.11
Step by Step Solution
- Step 1: Write the proportion equation
217,953,576.09 : 300,778,282.53 = 118,833,514.63 : x - Step 2: Convert to fraction form
217,953,576.09/300,778,282.53 = 118,833,514.63/x - Step 3: Cross multiply
217,953,576.09x = 300,778,282.53 × 118,833,514.63 - Step 4: Simplify right side
217,953,576.09x = 35,742,540,436,663,080 - Step 5: Solve for x
x = 35,742,540,436,663,080/217,953,576.09 - Step 6: Final answer
x = 163,991,530.11
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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.