Finding the Fourth Proportional to 202,296,843.68, 279,169,532.08 and 114,191,602.25
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Solution
The fourth proportional to 202,296,843.68, 279,169,532.08 and 114,191,602.25 is: 157,584,347.77
Step by Step Solution
- Step 1: Write the proportion equation
202,296,843.68 : 279,169,532.08 = 114,191,602.25 : x - Step 2: Convert to fraction form
202,296,843.68/279,169,532.08 = 114,191,602.25/x - Step 3: Cross multiply
202,296,843.68x = 279,169,532.08 × 114,191,602.25 - Step 4: Simplify right side
202,296,843.68x = 31,878,816,167,597,972 - Step 5: Solve for x
x = 31,878,816,167,597,972/202,296,843.68 - Step 6: Final answer
x = 157,584,347.77
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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.