Finding the Fourth Proportional to 170,608,483.09, 235,438,997.52 and 92,291,843.53
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Solution
The fourth proportional to 170,608,483.09, 235,438,997.52 and 92,291,843.53 is: 127,362,360.45
Step by Step Solution
- Step 1: Write the proportion equation
170,608,483.09 : 235,438,997.52 = 92,291,843.53 : x - Step 2: Convert to fraction form
170,608,483.09/235,438,997.52 = 92,291,843.53/x - Step 3: Cross multiply
170,608,483.09x = 235,438,997.52 × 92,291,843.53 - Step 4: Simplify right side
170,608,483.09x = 21,729,099,119,975,900 - Step 5: Solve for x
x = 21,729,099,119,975,900/170,608,483.09 - Step 6: Final answer
x = 127,362,360.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.