Finding the Fourth Proportional to 235,294,322.87, 324,699,646.08 and 128,000,087.82
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Solution
The fourth proportional to 235,294,322.87, 324,699,646.08 and 128,000,087.82 is: 176,636,574.60
Step by Step Solution
- Step 1: Write the proportion equation
235,294,322.87 : 324,699,646.08 = 128,000,087.82 : x - Step 2: Convert to fraction form
235,294,322.87/324,699,646.08 = 128,000,087.82/x - Step 3: Cross multiply
235,294,322.87x = 324,699,646.08 × 128,000,087.82 - Step 4: Simplify right side
235,294,322.87x = 41,561,583,213,362,912 - Step 5: Solve for x
x = 41,561,583,213,362,912/235,294,322.87 - Step 6: Final answer
x = 176,636,574.60
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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.