Finding the Fourth Proportional to 79,749,828.69, 110,075,238.86 and 51,941,832.09
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Solution
The fourth proportional to 79,749,828.69, 110,075,238.86 and 51,941,832.09 is: 71,693,064.02
Step by Step Solution
- Step 1: Write the proportion equation
79,749,828.69 : 110,075,238.86 = 51,941,832.09 : x - Step 2: Convert to fraction form
79,749,828.69/110,075,238.86 = 51,941,832.09/x - Step 3: Cross multiply
79,749,828.69x = 110,075,238.86 × 51,941,832.09 - Step 4: Simplify right side
79,749,828.69x = 5,717,509,574,132,763 - Step 5: Solve for x
x = 5,717,509,574,132,763/79,749,828.69 - Step 6: Final answer
x = 71,693,064.02
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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.