Finding the Fourth Proportional to 194,234,862.20, 291,352,293.30 and 107,931,993.08
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Solution
The fourth proportional to 194,234,862.20, 291,352,293.30 and 107,931,993.08 is: 161,897,989.62
Step by Step Solution
- Step 1: Write the proportion equation
194,234,862.20 : 291,352,293.30 = 107,931,993.08 : x - Step 2: Convert to fraction form
194,234,862.20/291,352,293.30 = 107,931,993.08/x - Step 3: Cross multiply
194,234,862.20x = 291,352,293.30 × 107,931,993.08 - Step 4: Simplify right side
194,234,862.20x = 31,446,233,704,297,732 - Step 5: Solve for x
x = 31,446,233,704,297,732/194,234,862.20 - Step 6: Final answer
x = 161,897,989.62
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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.