Finding the Fourth Proportional to 129,828,021.26, 194,778,439.16 and 52,159,464.99
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Solution
The fourth proportional to 129,828,021.26, 194,778,439.16 and 52,159,464.99 is: 78,253,824.40
Step by Step Solution
- Step 1: Write the proportion equation
129,828,021.26 : 194,778,439.16 = 52,159,464.99 : x - Step 2: Convert to fraction form
129,828,021.26/194,778,439.16 = 52,159,464.99/x - Step 3: Cross multiply
129,828,021.26x = 194,778,439.16 × 52,159,464.99 - Step 4: Simplify right side
129,828,021.26x = 10,159,539,177,912,068 - Step 5: Solve for x
x = 10,159,539,177,912,068/129,828,021.26 - Step 6: Final answer
x = 78,253,824.40
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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.