Finding the Fourth Proportional to 84,415,768.55, 116,497,401.37 and 46,738,932.19
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Solution
The fourth proportional to 84,415,768.55, 116,497,401.37 and 46,738,932.19 is: 64,501,742.23
Step by Step Solution
- Step 1: Write the proportion equation
84,415,768.55 : 116,497,401.37 = 46,738,932.19 : x - Step 2: Convert to fraction form
84,415,768.55/116,497,401.37 = 46,738,932.19/x - Step 3: Cross multiply
84,415,768.55x = 116,497,401.37 × 46,738,932.19 - Step 4: Simplify right side
84,415,768.55x = 5,444,964,143,234,887 - Step 5: Solve for x
x = 5,444,964,143,234,887/84,415,768.55 - Step 6: Final answer
x = 64,501,742.23
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.