Finding the Fourth Proportional to 73,163,668.14, 109,734,818.76 and 21,334,343.40
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Solution
The fourth proportional to 73,163,668.14, 109,734,818.76 and 21,334,343.40 is: 31,998,399.83
Step by Step Solution
- Step 1: Write the proportion equation
73,163,668.14 : 109,734,818.76 = 21,334,343.40 : x - Step 2: Convert to fraction form
73,163,668.14/109,734,818.76 = 21,334,343.40/x - Step 3: Cross multiply
73,163,668.14x = 109,734,818.76 × 21,334,343.40 - Step 4: Simplify right side
73,163,668.14x = 2,341,120,306,362,602 - Step 5: Solve for x
x = 2,341,120,306,362,602/73,163,668.14 - Step 6: Final answer
x = 31,998,399.83
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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.