Finding the Fourth Proportional to 99,668,208.30, 149,530,306.05 and 48,551,894.70
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Solution
The fourth proportional to 99,668,208.30, 149,530,306.05 and 48,551,894.70 is: 72,841,478.72
Step by Step Solution
- Step 1: Write the proportion equation
99,668,208.30 : 149,530,306.05 = 48,551,894.70 : x - Step 2: Convert to fraction form
99,668,208.30/149,530,306.05 = 48,551,894.70/x - Step 3: Cross multiply
99,668,208.30x = 149,530,306.05 × 48,551,894.70 - Step 4: Simplify right side
99,668,208.30x = 7,259,979,673,798,374 - Step 5: Solve for x
x = 7,259,979,673,798,374/99,668,208.30 - Step 6: Final answer
x = 72,841,478.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.