Finding the Fourth Proportional to 99,675,273.30, 149,540,903.55 and 48,558,959.70
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Solution
The fourth proportional to 99,675,273.30, 149,540,903.55 and 48,558,959.70 is: 72,852,077.24
Step by Step Solution
- Step 1: Write the proportion equation
99,675,273.30 : 149,540,903.55 = 48,558,959.70 : x - Step 2: Convert to fraction form
99,675,273.30/149,540,903.55 = 48,558,959.70/x - Step 3: Cross multiply
99,675,273.30x = 149,540,903.55 × 48,558,959.70 - Step 4: Simplify right side
99,675,273.30x = 7,261,550,708,986,038 - Step 5: Solve for x
x = 7,261,550,708,986,038/99,675,273.30 - Step 6: Final answer
x = 72,852,077.24
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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.