Finding the Fourth Proportional to 321,039,994.68, 443,037,460.14 and 174,362,278.68
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Solution
The fourth proportional to 321,039,994.68, 443,037,460.14 and 174,362,278.68 is: 240,621,176.09
Step by Step Solution
- Step 1: Write the proportion equation
321,039,994.68 : 443,037,460.14 = 174,362,278.68 : x - Step 2: Convert to fraction form
321,039,994.68/443,037,460.14 = 174,362,278.68/x - Step 3: Cross multiply
321,039,994.68x = 443,037,460.14 × 174,362,278.68 - Step 4: Simplify right side
321,039,994.68x = 77,249,021,090,610,080 - Step 5: Solve for x
x = 77,249,021,090,610,080/321,039,994.68 - Step 6: Final answer
x = 240,621,176.09
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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.