Finding the Fourth Proportional to 222,030,356.84, 306,404,316.66 and 122,912,759.84
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Solution
The fourth proportional to 222,030,356.84, 306,404,316.66 and 122,912,759.84 is: 169,620,950.59
Step by Step Solution
- Step 1: Write the proportion equation
222,030,356.84 : 306,404,316.66 = 122,912,759.84 : x - Step 2: Convert to fraction form
222,030,356.84/306,404,316.66 = 122,912,759.84/x - Step 3: Cross multiply
222,030,356.84x = 306,404,316.66 × 122,912,759.84 - Step 4: Simplify right side
222,030,356.84x = 37,661,000,187,569,896 - Step 5: Solve for x
x = 37,661,000,187,569,896/222,030,356.84 - Step 6: Final answer
x = 169,620,950.59
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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.