Finding the Fourth Proportional to 198,709,810.09, 274,219,551.11 and 110,601,916.93
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Solution
The fourth proportional to 198,709,810.09, 274,219,551.11 and 110,601,916.93 is: 152,630,652.70
Step by Step Solution
- Step 1: Write the proportion equation
198,709,810.09 : 274,219,551.11 = 110,601,916.93 : x - Step 2: Convert to fraction form
198,709,810.09/274,219,551.11 = 110,601,916.93/x - Step 3: Cross multiply
198,709,810.09x = 274,219,551.11 × 110,601,916.93 - Step 4: Simplify right side
198,709,810.09x = 30,329,208,012,450,112 - Step 5: Solve for x
x = 30,329,208,012,450,112/198,709,810.09 - Step 6: Final answer
x = 152,630,652.70
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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.