Finding the Fourth Proportional to 220,194,352.20, 330,281,030.70 and 74,613,635.40
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Solution
The fourth proportional to 220,194,352.20, 330,281,030.70 and 74,613,635.40 is: 111,916,895.95
Step by Step Solution
- Step 1: Write the proportion equation
220,194,352.20 : 330,281,030.70 = 74,613,635.40 : x - Step 2: Convert to fraction form
220,194,352.20/330,281,030.70 = 74,613,635.40/x - Step 3: Cross multiply
220,194,352.20x = 330,281,030.70 × 74,613,635.40 - Step 4: Simplify right side
220,194,352.20x = 24,643,468,404,186,008 - Step 5: Solve for x
x = 24,643,468,404,186,008/220,194,352.20 - Step 6: Final answer
x = 111,916,895.95
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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.