Finding the Fourth Proportional to 79,749,849.84, 110,075,268.06 and 51,941,853.24
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Solution
The fourth proportional to 79,749,849.84, 110,075,268.06 and 51,941,853.24 is: 71,693,093.22
Step by Step Solution
- Step 1: Write the proportion equation
79,749,849.84 : 110,075,268.06 = 51,941,853.24 : x - Step 2: Convert to fraction form
79,749,849.84/110,075,268.06 = 51,941,853.24/x - Step 3: Cross multiply
79,749,849.84x = 110,075,268.06 × 51,941,853.24 - Step 4: Simplify right side
79,749,849.84x = 5,717,513,418,926,180 - Step 5: Solve for x
x = 5,717,513,418,926,180/79,749,849.84 - Step 6: Final answer
x = 71,693,093.22
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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.