Finding the Fourth Proportional to 49,207,525.70, 73,811,288.55 and 48,357,220.10
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Solution
The fourth proportional to 49,207,525.70, 73,811,288.55 and 48,357,220.10 is: 72,535,830.15
Step by Step Solution
- Step 1: Write the proportion equation
49,207,525.70 : 73,811,288.55 = 48,357,220.10 : x - Step 2: Convert to fraction form
49,207,525.70/73,811,288.55 = 48,357,220.10/x - Step 3: Cross multiply
49,207,525.70x = 73,811,288.55 × 48,357,220.10 - Step 4: Simplify right side
49,207,525.70x = 3,569,308,726,276,960 - Step 5: Solve for x
x = 3,569,308,726,276,960/49,207,525.70 - Step 6: Final answer
x = 72,535,830.15
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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.