Finding the Fourth Proportional to 369,988,015.05, 554,938,821.99 and 148,650,394.95
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Solution
The fourth proportional to 369,988,015.05, 554,938,821.99 and 148,650,394.95 is: 222,958,235.69
Step by Step Solution
- Step 1: Write the proportion equation
369,988,015.05 : 554,938,821.99 = 148,650,394.95 : x - Step 2: Convert to fraction form
369,988,015.05/554,938,821.99 = 148,650,394.95/x - Step 3: Cross multiply
369,988,015.05x = 554,938,821.99 × 148,650,394.95 - Step 4: Simplify right side
369,988,015.05x = 82,491,875,061,901,232 - Step 5: Solve for x
x = 82,491,875,061,901,232/369,988,015.05 - Step 6: Final answer
x = 222,958,235.69
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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.