Finding the Fourth Proportional to 49,421,934.18, 74,133,338.67 and 20,291,794.02
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Solution
The fourth proportional to 49,421,934.18, 74,133,338.67 and 20,291,794.02 is: 30,437,870.62
Step by Step Solution
- Step 1: Write the proportion equation
49,421,934.18 : 74,133,338.67 = 20,291,794.02 : x - Step 2: Convert to fraction form
49,421,934.18/74,133,338.67 = 20,291,794.02/x - Step 3: Cross multiply
49,421,934.18x = 74,133,338.67 × 20,291,794.02 - Step 4: Simplify right side
49,421,934.18x = 1,504,298,438,306,540.75 - Step 5: Solve for x
x = 1,504,298,438,306,540.75/49,421,934.18 - Step 6: Final answer
x = 30,437,870.62
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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.