Finding the Fourth Proportional to 236,061,890.48, 325,765,722.68 and 130,212,918.11
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Solution
The fourth proportional to 236,061,890.48, 325,765,722.68 and 130,212,918.11 is: 179,694,000.09
Step by Step Solution
- Step 1: Write the proportion equation
236,061,890.48 : 325,765,722.68 = 130,212,918.11 : x - Step 2: Convert to fraction form
236,061,890.48/325,765,722.68 = 130,212,918.11/x - Step 3: Cross multiply
236,061,890.48x = 325,765,722.68 × 130,212,918.11 - Step 4: Simplify right side
236,061,890.48x = 42,418,905,368,095,920 - Step 5: Solve for x
x = 42,418,905,368,095,920/236,061,890.48 - Step 6: Final answer
x = 179,694,000.09
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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.