Finding the Fourth Proportional to 194,090,376.76, 291,236,324.18 and 79,159,238.20
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Solution
The fourth proportional to 194,090,376.76, 291,236,324.18 and 79,159,238.20 is: 118,779,951.60
Step by Step Solution
- Step 1: Write the proportion equation
194,090,376.76 : 291,236,324.18 = 79,159,238.20 : x - Step 2: Convert to fraction form
194,090,376.76/291,236,324.18 = 79,159,238.20/x - Step 3: Cross multiply
194,090,376.76x = 291,236,324.18 × 79,159,238.20 - Step 4: Simplify right side
194,090,376.76x = 23,054,045,558,257,040 - Step 5: Solve for x
x = 23,054,045,558,257,040/194,090,376.76 - Step 6: Final answer
x = 118,779,951.60
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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.