Finding the Fourth Proportional to 49,517,775.99, 68,334,778.35 and 30,943,701.63
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Solution
The fourth proportional to 49,517,775.99, 68,334,778.35 and 30,943,701.63 is: 42,702,462.90
Step by Step Solution
- Step 1: Write the proportion equation
49,517,775.99 : 68,334,778.35 = 30,943,701.63 : x - Step 2: Convert to fraction form
49,517,775.99/68,334,778.35 = 30,943,701.63/x - Step 3: Cross multiply
49,517,775.99x = 68,334,778.35 × 30,943,701.63 - Step 4: Simplify right side
49,517,775.99x = 2,114,530,992,214,583.50 - Step 5: Solve for x
x = 2,114,530,992,214,583.50/49,517,775.99 - Step 6: Final answer
x = 42,702,462.90
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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.