Finding the Fourth Proportional to 129,300,481.36, 193,945,998.12 and 38,421,708.40
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Solution
The fourth proportional to 129,300,481.36, 193,945,998.12 and 38,421,708.40 is: 57,631,158.88
Step by Step Solution
- Step 1: Write the proportion equation
129,300,481.36 : 193,945,998.12 = 38,421,708.40 : x - Step 2: Convert to fraction form
129,300,481.36/193,945,998.12 = 38,421,708.40/x - Step 3: Cross multiply
129,300,481.36x = 193,945,998.12 × 38,421,708.40 - Step 4: Simplify right side
129,300,481.36x = 7,451,736,585,113,588 - Step 5: Solve for x
x = 7,451,736,585,113,588/129,300,481.36 - Step 6: Final answer
x = 57,631,158.88
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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.