Finding the Fourth Proportional to 245,270,172.44, 367,768,420.58 and 81,418,946.52
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Solution
The fourth proportional to 245,270,172.44, 367,768,420.58 and 81,418,946.52 is: 122,082,995.54
Step by Step Solution
- Step 1: Write the proportion equation
245,270,172.44 : 367,768,420.58 = 81,418,946.52 : x - Step 2: Convert to fraction form
245,270,172.44/367,768,420.58 = 81,418,946.52/x - Step 3: Cross multiply
245,270,172.44x = 367,768,420.58 × 81,418,946.52 - Step 4: Simplify right side
245,270,172.44x = 29,943,317,366,947,884 - Step 5: Solve for x
x = 29,943,317,366,947,884/245,270,172.44 - Step 6: Final answer
x = 122,082,995.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.