Finding the Fourth Proportional to 81,216,244.40, 121,770,566.40 and 44,842,060.40
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Solution
The fourth proportional to 81,216,244.40, 121,770,566.40 and 44,842,060.40 is: 67,233,385.81
Step by Step Solution
- Step 1: Write the proportion equation
81,216,244.40 : 121,770,566.40 = 44,842,060.40 : x - Step 2: Convert to fraction form
81,216,244.40/121,770,566.40 = 44,842,060.40/x - Step 3: Cross multiply
81,216,244.40x = 121,770,566.40 × 44,842,060.40 - Step 4: Simplify right side
81,216,244.40x = 5,460,443,093,451,011 - Step 5: Solve for x
x = 5,460,443,093,451,011/81,216,244.40 - Step 6: Final answer
x = 67,233,385.81
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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.