Finding the Fourth Proportional to 89,063,941.80, 133,595,912.70 and 53,232,133.80
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Solution
The fourth proportional to 89,063,941.80, 133,595,912.70 and 53,232,133.80 is: 79,848,200.70
Step by Step Solution
- Step 1: Write the proportion equation
89,063,941.80 : 133,595,912.70 = 53,232,133.80 : x - Step 2: Convert to fraction form
89,063,941.80/133,595,912.70 = 53,232,133.80/x - Step 3: Cross multiply
89,063,941.80x = 133,595,912.70 × 53,232,133.80 - Step 4: Simplify right side
89,063,941.80x = 7,111,595,499,979,519 - Step 5: Solve for x
x = 7,111,595,499,979,519/89,063,941.80 - Step 6: Final answer
x = 79,848,200.70
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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.