Finding the Fourth Proportional to 40,192,027.20, 56,344,420.80 and 40,192,027.20
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Solution
The fourth proportional to 40,192,027.20, 56,344,420.80 and 40,192,027.20 is: 56,344,420.80
Step by Step Solution
- Step 1: Write the proportion equation
40,192,027.20 : 56,344,420.80 = 40,192,027.20 : x - Step 2: Convert to fraction form
40,192,027.20/56,344,420.80 = 40,192,027.20/x - Step 3: Cross multiply
40,192,027.20x = 56,344,420.80 × 40,192,027.20 - Step 4: Simplify right side
40,192,027.20x = 2,264,596,493,361,846 - Step 5: Solve for x
x = 2,264,596,493,361,846/40,192,027.20 - Step 6: Final answer
x = 56,344,420.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.