Finding the Fourth Proportional to 79,749,795.94, 110,075,193.67 and 51,941,799.34
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Solution
The fourth proportional to 79,749,795.94, 110,075,193.67 and 51,941,799.34 is: 71,693,018.83
Step by Step Solution
- Step 1: Write the proportion equation
79,749,795.94 : 110,075,193.67 = 51,941,799.34 : x - Step 2: Convert to fraction form
79,749,795.94/110,075,193.67 = 51,941,799.34/x - Step 3: Cross multiply
79,749,795.94x = 110,075,193.67 × 51,941,799.34 - Step 4: Simplify right side
79,749,795.94x = 5,717,503,621,918,779 - Step 5: Solve for x
x = 5,717,503,621,918,779/79,749,795.94 - Step 6: Final answer
x = 71,693,018.83
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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.