Finding the Fourth Proportional to 100,529,573.13, 138,742,044.44 and 60,858,961.80
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Solution
The fourth proportional to 100,529,573.13, 138,742,044.44 and 60,858,961.80 is: 83,992,167.87
Step by Step Solution
- Step 1: Write the proportion equation
100,529,573.13 : 138,742,044.44 = 60,858,961.80 : x - Step 2: Convert to fraction form
100,529,573.13/138,742,044.44 = 60,858,961.80/x - Step 3: Cross multiply
100,529,573.13x = 138,742,044.44 × 60,858,961.80 - Step 4: Simplify right side
100,529,573.13x = 8,443,696,782,627,862 - Step 5: Solve for x
x = 8,443,696,782,627,862/100,529,573.13 - Step 6: Final answer
x = 83,992,167.87
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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.