Finding the Fourth Proportional to 106,979,704.80, 160,469,557.20 and 30,301,735.20
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Solution
The fourth proportional to 106,979,704.80, 160,469,557.20 and 30,301,735.20 is: 45,452,602.80
Step by Step Solution
- Step 1: Write the proportion equation
106,979,704.80 : 160,469,557.20 = 30,301,735.20 : x - Step 2: Convert to fraction form
106,979,704.80/160,469,557.20 = 30,301,735.20/x - Step 3: Cross multiply
106,979,704.80x = 160,469,557.20 × 30,301,735.20 - Step 4: Simplify right side
106,979,704.80x = 4,862,506,029,935,653 - Step 5: Solve for x
x = 4,862,506,029,935,653/106,979,704.80 - Step 6: Final answer
x = 45,452,602.80
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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.