Finding the Fourth Proportional to 75,779,649.68, 113,620,602.29 and 29,726,172.09
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Solution
The fourth proportional to 75,779,649.68, 113,620,602.29 and 29,726,172.09 is: 44,570,086.97
Step by Step Solution
- Step 1: Write the proportion equation
75,779,649.68 : 113,620,602.29 = 29,726,172.09 : x - Step 2: Convert to fraction form
75,779,649.68/113,620,602.29 = 29,726,172.09/x - Step 3: Cross multiply
75,779,649.68x = 113,620,602.29 × 29,726,172.09 - Step 4: Simplify right side
75,779,649.68x = 3,377,505,576,493,357 - Step 5: Solve for x
x = 3,377,505,576,493,357/75,779,649.68 - Step 6: Final answer
x = 44,570,086.97
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.