Finding the Fourth Proportional to 161,729,220.28, 242,507,517.37 and 83,927,787.42
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Solution
The fourth proportional to 161,729,220.28, 242,507,517.37 and 83,927,787.42 is: 125,846,889.82
Step by Step Solution
- Step 1: Write the proportion equation
161,729,220.28 : 242,507,517.37 = 83,927,787.42 : x - Step 2: Convert to fraction form
161,729,220.28/242,507,517.37 = 83,927,787.42/x - Step 3: Cross multiply
161,729,220.28x = 242,507,517.37 × 83,927,787.42 - Step 4: Simplify right side
161,729,220.28x = 20,353,119,365,581,320 - Step 5: Solve for x
x = 20,353,119,365,581,320/161,729,220.28 - Step 6: Final answer
x = 125,846,889.82
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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.