Finding the Fourth Proportional to 42,929,658.53, 59,237,546.37 and 29,021,276.51
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Solution
The fourth proportional to 42,929,658.53, 59,237,546.37 and 29,021,276.51 is: 40,045,722.98
Step by Step Solution
- Step 1: Write the proportion equation
42,929,658.53 : 59,237,546.37 = 29,021,276.51 : x - Step 2: Convert to fraction form
42,929,658.53/59,237,546.37 = 29,021,276.51/x - Step 3: Cross multiply
42,929,658.53x = 59,237,546.37 × 29,021,276.51 - Step 4: Simplify right side
42,929,658.53x = 1,719,149,212,977,716.75 - Step 5: Solve for x
x = 1,719,149,212,977,716.75/42,929,658.53 - Step 6: Final answer
x = 40,045,722.98
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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.