Finding the Fourth Proportional to 42,651,137.52, 58,797,352.44 and 30,406,736.88
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Solution
The fourth proportional to 42,651,137.52, 58,797,352.44 and 30,406,736.88 is: 41,917,653.99
Step by Step Solution
- Step 1: Write the proportion equation
42,651,137.52 : 58,797,352.44 = 30,406,736.88 : x - Step 2: Convert to fraction form
42,651,137.52/58,797,352.44 = 30,406,736.88/x - Step 3: Cross multiply
42,651,137.52x = 58,797,352.44 × 30,406,736.88 - Step 4: Simplify right side
42,651,137.52x = 1,787,835,624,883,705.75 - Step 5: Solve for x
x = 1,787,835,624,883,705.75/42,651,137.52 - Step 6: Final answer
x = 41,917,653.99
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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.