Finding the Fourth Proportional to 53,581,501.40, 80,372,252.10 and 53,203,587.80
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Solution
The fourth proportional to 53,581,501.40, 80,372,252.10 and 53,203,587.80 is: 79,805,381.70
Step by Step Solution
- Step 1: Write the proportion equation
53,581,501.40 : 80,372,252.10 = 53,203,587.80 : x - Step 2: Convert to fraction form
53,581,501.40/80,372,252.10 = 53,203,587.80/x - Step 3: Cross multiply
53,581,501.40x = 80,372,252.10 × 53,203,587.80 - Step 4: Simplify right side
53,581,501.40x = 4,276,092,171,286,084 - Step 5: Solve for x
x = 4,276,092,171,286,084/53,581,501.40 - Step 6: Final answer
x = 79,805,381.70
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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.