Finding the Fourth Proportional to 239,816,368.80, 330,808,450.95 and 144,380,442.78
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Solution
The fourth proportional to 239,816,368.80, 330,808,450.95 and 144,380,442.78 is: 199,161,845.63
Step by Step Solution
- Step 1: Write the proportion equation
239,816,368.80 : 330,808,450.95 = 144,380,442.78 : x - Step 2: Convert to fraction form
239,816,368.80/330,808,450.95 = 144,380,442.78/x - Step 3: Cross multiply
239,816,368.80x = 330,808,450.95 × 144,380,442.78 - Step 4: Simplify right side
239,816,368.80x = 47,762,270,623,526,912 - Step 5: Solve for x
x = 47,762,270,623,526,912/239,816,368.80 - Step 6: Final answer
x = 199,161,845.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.