Finding the Fourth Proportional to 74,479,368.14, 102,795,758.15 and 49,317,096.45
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Solution
The fourth proportional to 74,479,368.14, 102,795,758.15 and 49,317,096.45 is: 68,067,015.69
Step by Step Solution
- Step 1: Write the proportion equation
74,479,368.14 : 102,795,758.15 = 49,317,096.45 : x - Step 2: Convert to fraction form
74,479,368.14/102,795,758.15 = 49,317,096.45/x - Step 3: Cross multiply
74,479,368.14x = 102,795,758.15 × 49,317,096.45 - Step 4: Simplify right side
74,479,368.14x = 5,069,588,319,473,322 - Step 5: Solve for x
x = 5,069,588,319,473,322/74,479,368.14 - Step 6: Final answer
x = 68,067,015.69
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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.