Finding the Fourth Proportional to 240,075,787.68, 331,304,940.72 and 130,067,506.08
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Solution
The fourth proportional to 240,075,787.68, 331,304,940.72 and 130,067,506.08 is: 179,493,350.03
Step by Step Solution
- Step 1: Write the proportion equation
240,075,787.68 : 331,304,940.72 = 130,067,506.08 : x - Step 2: Convert to fraction form
240,075,787.68/331,304,940.72 = 130,067,506.08/x - Step 3: Cross multiply
240,075,787.68x = 331,304,940.72 × 130,067,506.08 - Step 4: Simplify right side
240,075,787.68x = 43,092,007,391,432,640 - Step 5: Solve for x
x = 43,092,007,391,432,640/240,075,787.68 - Step 6: Final answer
x = 179,493,350.03
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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.