Finding the Fourth Proportional to 106,827,610.30, 160,241,415.45 and 99,661,248.70
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Solution
The fourth proportional to 106,827,610.30, 160,241,415.45 and 99,661,248.70 is: 149,491,873.05
Step by Step Solution
- Step 1: Write the proportion equation
106,827,610.30 : 160,241,415.45 = 99,661,248.70 : x - Step 2: Convert to fraction form
106,827,610.30/160,241,415.45 = 99,661,248.70/x - Step 3: Cross multiply
106,827,610.30x = 160,241,415.45 × 99,661,248.70 - Step 4: Simplify right side
106,827,610.30x = 15,969,859,557,202,472 - Step 5: Solve for x
x = 15,969,859,557,202,472/106,827,610.30 - Step 6: Final answer
x = 149,491,873.05
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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.