Finding the Fourth Proportional to 194,234,861.20, 291,352,291.80 and 107,931,992.08
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Solution
The fourth proportional to 194,234,861.20, 291,352,291.80 and 107,931,992.08 is: 161,897,988.12
Step by Step Solution
- Step 1: Write the proportion equation
194,234,861.20 : 291,352,291.80 = 107,931,992.08 : x - Step 2: Convert to fraction form
194,234,861.20/291,352,291.80 = 107,931,992.08/x - Step 3: Cross multiply
194,234,861.20x = 291,352,291.80 × 107,931,992.08 - Step 4: Simplify right side
194,234,861.20x = 31,446,233,251,047,448 - Step 5: Solve for x
x = 31,446,233,251,047,448/194,234,861.20 - Step 6: Final answer
x = 161,897,988.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.