Finding the Fourth Proportional to 53,917,261.60, 80,875,892.40 and 48,542,490.40
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Solution
The fourth proportional to 53,917,261.60, 80,875,892.40 and 48,542,490.40 is: 72,813,735.60
Step by Step Solution
- Step 1: Write the proportion equation
53,917,261.60 : 80,875,892.40 = 48,542,490.40 : x - Step 2: Convert to fraction form
53,917,261.60/80,875,892.40 = 48,542,490.40/x - Step 3: Cross multiply
53,917,261.60x = 80,875,892.40 × 48,542,490.40 - Step 4: Simplify right side
53,917,261.60x = 3,925,917,230,418,433 - Step 5: Solve for x
x = 3,925,917,230,418,433/53,917,261.60 - Step 6: Final answer
x = 72,813,735.60
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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.