Finding the Fourth Proportional to 161,764,374.80, 242,646,562.20 and 107,344,816.40
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Solution
The fourth proportional to 161,764,374.80, 242,646,562.20 and 107,344,816.40 is: 161,017,224.60
Step by Step Solution
- Step 1: Write the proportion equation
161,764,374.80 : 242,646,562.20 = 107,344,816.40 : x - Step 2: Convert to fraction form
161,764,374.80/242,646,562.20 = 107,344,816.40/x - Step 3: Cross multiply
161,764,374.80x = 242,646,562.20 × 107,344,816.40 - Step 4: Simplify right side
161,764,374.80x = 26,046,850,669,450,180 - Step 5: Solve for x
x = 26,046,850,669,450,180/161,764,374.80 - Step 6: Final answer
x = 161,017,224.60
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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.