Finding the Fourth Proportional to 166,082,850.90, 249,124,276.35 and 153,989,615.70
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Solution
The fourth proportional to 166,082,850.90, 249,124,276.35 and 153,989,615.70 is: 230,984,423.55
Step by Step Solution
- Step 1: Write the proportion equation
166,082,850.90 : 249,124,276.35 = 153,989,615.70 : x - Step 2: Convert to fraction form
166,082,850.90/249,124,276.35 = 153,989,615.70/x - Step 3: Cross multiply
166,082,850.90x = 249,124,276.35 × 153,989,615.70 - Step 4: Simplify right side
166,082,850.90x = 38,362,551,576,677,096 - Step 5: Solve for x
x = 38,362,551,576,677,096/166,082,850.90 - Step 6: Final answer
x = 230,984,423.55
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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.