Finding the Fourth Proportional to 73,747,706.58, 101,771,818.79 and 40,707,947.11
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Solution
The fourth proportional to 73,747,706.58, 101,771,818.79 and 40,707,947.11 is: 56,176,958.02
Step by Step Solution
- Step 1: Write the proportion equation
73,747,706.58 : 101,771,818.79 = 40,707,947.11 : x - Step 2: Convert to fraction form
73,747,706.58/101,771,818.79 = 40,707,947.11/x - Step 3: Cross multiply
73,747,706.58x = 101,771,818.79 × 40,707,947.11 - Step 4: Simplify right side
73,747,706.58x = 4,142,921,816,591,824.50 - Step 5: Solve for x
x = 4,142,921,816,591,824.50/73,747,706.58 - Step 6: Final answer
x = 56,176,958.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.