Finding the Fourth Proportional to 57,030,153.75, 85,511,067.66 and 18,151,812.09
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Solution
The fourth proportional to 57,030,153.75, 85,511,067.66 and 18,151,812.09 is: 27,216,844.59
Step by Step Solution
- Step 1: Write the proportion equation
57,030,153.75 : 85,511,067.66 = 18,151,812.09 : x - Step 2: Convert to fraction form
57,030,153.75/85,511,067.66 = 18,151,812.09/x - Step 3: Cross multiply
57,030,153.75x = 85,511,067.66 × 18,151,812.09 - Step 4: Simplify right side
57,030,153.75x = 1,552,180,831,779,596 - Step 5: Solve for x
x = 1,552,180,831,779,596/57,030,153.75 - Step 6: Final answer
x = 27,216,844.59
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1.5x scale
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.