Finding the Fourth Proportional to 238,329,716.36, 328,922,563.14 and 139,235,234.90
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Solution
The fourth proportional to 238,329,716.36, 328,922,563.14 and 139,235,234.90 is: 192,160,721.88
Step by Step Solution
- Step 1: Write the proportion equation
238,329,716.36 : 328,922,563.14 = 139,235,234.90 : x - Step 2: Convert to fraction form
238,329,716.36/328,922,563.14 = 139,235,234.90/x - Step 3: Cross multiply
238,329,716.36x = 328,922,563.14 × 139,235,234.90 - Step 4: Simplify right side
238,329,716.36x = 45,797,610,341,063,368 - Step 5: Solve for x
x = 45,797,610,341,063,368/238,329,716.36 - Step 6: Final answer
x = 192,160,721.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.