Finding the Fourth Proportional to 76,935,112.74, 115,424,243.87 and 30,909,301.65
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Solution
The fourth proportional to 76,935,112.74, 115,424,243.87 and 30,909,301.65 is: 46,372,620.31
Step by Step Solution
- Step 1: Write the proportion equation
76,935,112.74 : 115,424,243.87 = 30,909,301.65 : x - Step 2: Convert to fraction form
76,935,112.74/115,424,243.87 = 30,909,301.65/x - Step 3: Cross multiply
76,935,112.74x = 115,424,243.87 × 30,909,301.65 - Step 4: Simplify right side
76,935,112.74x = 3,567,682,771,346,446.50 - Step 5: Solve for x
x = 3,567,682,771,346,446.50/76,935,112.74 - Step 6: Final answer
x = 46,372,620.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.