Finding the Fourth Proportional to 202,959,476.42, 280,084,260.60 and 110,139,985.17
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Solution
The fourth proportional to 202,959,476.42, 280,084,260.60 and 110,139,985.17 is: 151,993,278.92
Step by Step Solution
- Step 1: Write the proportion equation
202,959,476.42 : 280,084,260.60 = 110,139,985.17 : x - Step 2: Convert to fraction form
202,959,476.42/280,084,260.60 = 110,139,985.17/x - Step 3: Cross multiply
202,959,476.42x = 280,084,260.60 × 110,139,985.17 - Step 4: Simplify right side
202,959,476.42x = 30,848,476,308,834,420 - Step 5: Solve for x
x = 30,848,476,308,834,420/202,959,476.42 - Step 6: Final answer
x = 151,993,278.92
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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.