Finding the Fourth Proportional to 106,399,463.90, 146,831,193.84 and 57,506,891.90
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Solution
The fourth proportional to 106,399,463.90, 146,831,193.84 and 57,506,891.90 is: 79,359,474.96
Step by Step Solution
- Step 1: Write the proportion equation
106,399,463.90 : 146,831,193.84 = 57,506,891.90 : x - Step 2: Convert to fraction form
106,399,463.90/146,831,193.84 = 57,506,891.90/x - Step 3: Cross multiply
106,399,463.90x = 146,831,193.84 × 57,506,891.90 - Step 4: Simplify right side
106,399,463.90x = 8,443,805,591,186,321 - Step 5: Solve for x
x = 8,443,805,591,186,321/106,399,463.90 - Step 6: Final answer
x = 79,359,474.96
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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.