Finding the Fourth Proportional to 164,645,246.12, 246,748,424.64 and 86,903,874.12
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Solution
The fourth proportional to 164,645,246.12, 246,748,424.64 and 86,903,874.12 is: 130,239,982.87
Step by Step Solution
- Step 1: Write the proportion equation
164,645,246.12 : 246,748,424.64 = 86,903,874.12 : x - Step 2: Convert to fraction form
164,645,246.12/246,748,424.64 = 86,903,874.12/x - Step 3: Cross multiply
164,645,246.12x = 246,748,424.64 × 86,903,874.12 - Step 4: Simplify right side
164,645,246.12x = 21,443,394,034,222,868 - Step 5: Solve for x
x = 21,443,394,034,222,868/164,645,246.12 - Step 6: Final answer
x = 130,239,982.87
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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.