Finding the Fourth Proportional to 80,928,254.88, 121,268,277.36 and 54,987,518.88
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Solution
The fourth proportional to 80,928,254.88, 121,268,277.36 and 54,987,518.88 is: 82,396,953.95
Step by Step Solution
- Step 1: Write the proportion equation
80,928,254.88 : 121,268,277.36 = 54,987,518.88 : x - Step 2: Convert to fraction form
80,928,254.88/121,268,277.36 = 54,987,518.88/x - Step 3: Cross multiply
80,928,254.88x = 121,268,277.36 × 54,987,518.88 - Step 4: Simplify right side
80,928,254.88x = 6,668,241,690,878,077 - Step 5: Solve for x
x = 6,668,241,690,878,077/80,928,254.88 - Step 6: Final answer
x = 82,396,953.95
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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.