Finding the Fourth Proportional to 49,660,037.80, 74,490,056.70 and 49,660,037.80
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Solution
The fourth proportional to 49,660,037.80, 74,490,056.70 and 49,660,037.80 is: 74,490,056.70
Step by Step Solution
- Step 1: Write the proportion equation
49,660,037.80 : 74,490,056.70 = 49,660,037.80 : x - Step 2: Convert to fraction form
49,660,037.80/74,490,056.70 = 49,660,037.80/x - Step 3: Cross multiply
49,660,037.80x = 74,490,056.70 × 49,660,037.80 - Step 4: Simplify right side
49,660,037.80x = 3,699,179,031,446,143 - Step 5: Solve for x
x = 3,699,179,031,446,143/49,660,037.80 - Step 6: Final answer
x = 74,490,056.70
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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.