Finding the Fourth Proportional to 99,668,320.80, 149,530,474.80 and 48,552,007.20
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Solution
The fourth proportional to 99,668,320.80, 149,530,474.80 and 48,552,007.20 is: 72,841,647.48
Step by Step Solution
- Step 1: Write the proportion equation
99,668,320.80 : 149,530,474.80 = 48,552,007.20 : x - Step 2: Convert to fraction form
99,668,320.80/149,530,474.80 = 48,552,007.20/x - Step 3: Cross multiply
99,668,320.80x = 149,530,474.80 × 48,552,007.20 - Step 4: Simplify right side
99,668,320.80x = 7,260,004,689,109,020 - Step 5: Solve for x
x = 7,260,004,689,109,020/99,668,320.80 - Step 6: Final answer
x = 72,841,647.48
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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.