Finding the Fourth Proportional to 52,808,535.20, 79,248,232.20 and 31,220,220.80
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Solution
The fourth proportional to 52,808,535.20, 79,248,232.20 and 31,220,220.80 is: 46,851,276.94
Step by Step Solution
- Step 1: Write the proportion equation
52,808,535.20 : 79,248,232.20 = 31,220,220.80 : x - Step 2: Convert to fraction form
52,808,535.20/79,248,232.20 = 31,220,220.80/x - Step 3: Cross multiply
52,808,535.20x = 79,248,232.20 × 31,220,220.80 - Step 4: Simplify right side
52,808,535.20x = 2,474,147,307,293,670 - Step 5: Solve for x
x = 2,474,147,307,293,670/52,808,535.20 - Step 6: Final answer
x = 46,851,276.94
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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.