Finding the Fourth Proportional to 210,763,539.48, 316,326,912.48 and 146,112,745.08
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Solution
The fourth proportional to 210,763,539.48, 316,326,912.48 and 146,112,745.08 is: 219,295,014.87
Step by Step Solution
- Step 1: Write the proportion equation
210,763,539.48 : 316,326,912.48 = 146,112,745.08 : x - Step 2: Convert to fraction form
210,763,539.48/316,326,912.48 = 146,112,745.08/x - Step 3: Cross multiply
210,763,539.48x = 316,326,912.48 × 146,112,745.08 - Step 4: Simplify right side
210,763,539.48x = 46,219,393,525,133,720 - Step 5: Solve for x
x = 46,219,393,525,133,720/210,763,539.48 - Step 6: Final answer
x = 219,295,014.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.