Finding the Fourth Proportional to 142,081,451.97, 213,122,186.21 and 34,376,075.97
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Solution
The fourth proportional to 142,081,451.97, 213,122,186.21 and 34,376,075.97 is: 51,564,115.95
Step by Step Solution
- Step 1: Write the proportion equation
142,081,451.97 : 213,122,186.21 = 34,376,075.97 : x - Step 2: Convert to fraction form
142,081,451.97/213,122,186.21 = 34,376,075.97/x - Step 3: Cross multiply
142,081,451.97x = 213,122,186.21 × 34,376,075.97 - Step 4: Simplify right side
142,081,451.97x = 7,326,304,464,047,446 - Step 5: Solve for x
x = 7,326,304,464,047,446/142,081,451.97 - Step 6: Final answer
x = 51,564,115.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.