Finding the Fourth Proportional to 205,664,959.05, 283,817,646.64 and 117,560,865.39
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Solution
The fourth proportional to 205,664,959.05, 283,817,646.64 and 117,560,865.39 is: 162,233,996.04
Step by Step Solution
- Step 1: Write the proportion equation
205,664,959.05 : 283,817,646.64 = 117,560,865.39 : x - Step 2: Convert to fraction form
205,664,959.05/283,817,646.64 = 117,560,865.39/x - Step 3: Cross multiply
205,664,959.05x = 283,817,646.64 × 117,560,865.39 - Step 4: Simplify right side
205,664,959.05x = 33,365,848,150,532,536 - Step 5: Solve for x
x = 33,365,848,150,532,536/205,664,959.05 - Step 6: Final answer
x = 162,233,996.04
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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.