Finding the Fourth Proportional to 57,692,404.44, 79,612,363.98 and 31,581,871.08
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Solution
The fourth proportional to 57,692,404.44, 79,612,363.98 and 31,581,871.08 is: 43,581,255.45
Step by Step Solution
- Step 1: Write the proportion equation
57,692,404.44 : 79,612,363.98 = 31,581,871.08 : x - Step 2: Convert to fraction form
57,692,404.44/79,612,363.98 = 31,581,871.08/x - Step 3: Cross multiply
57,692,404.44x = 79,612,363.98 × 31,581,871.08 - Step 4: Simplify right side
57,692,404.44x = 2,514,307,415,590,395.50 - Step 5: Solve for x
x = 2,514,307,415,590,395.50/57,692,404.44 - Step 6: Final answer
x = 43,581,255.45
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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.