Finding the Fourth Proportional to 129,898,779.30, 194,912,187.87 and 60,816,260.70
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Solution
The fourth proportional to 129,898,779.30, 194,912,187.87 and 60,816,260.70 is: 91,254,363.55
Step by Step Solution
- Step 1: Write the proportion equation
129,898,779.30 : 194,912,187.87 = 60,816,260.70 : x - Step 2: Convert to fraction form
129,898,779.30/194,912,187.87 = 60,816,260.70/x - Step 3: Cross multiply
129,898,779.30x = 194,912,187.87 × 60,816,260.70 - Step 4: Simplify right side
129,898,779.30x = 11,853,830,431,109,298 - Step 5: Solve for x
x = 11,853,830,431,109,298/129,898,779.30 - Step 6: Final answer
x = 91,254,363.55
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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.