Finding the Fourth Proportional to 321,039,990.18, 443,037,453.93 and 174,362,274.18
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Solution
The fourth proportional to 321,039,990.18, 443,037,453.93 and 174,362,274.18 is: 240,621,169.88
Step by Step Solution
- Step 1: Write the proportion equation
321,039,990.18 : 443,037,453.93 = 174,362,274.18 : x - Step 2: Convert to fraction form
321,039,990.18/443,037,453.93 = 174,362,274.18/x - Step 3: Cross multiply
321,039,990.18x = 443,037,453.93 × 174,362,274.18 - Step 4: Simplify right side
321,039,990.18x = 77,249,018,014,151,776 - Step 5: Solve for x
x = 77,249,018,014,151,776/321,039,990.18 - Step 6: Final answer
x = 240,621,169.88
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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.