Finding the Fourth Proportional to 115,202,831.99, 172,804,414.28 and 47,045,523.74
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Solution
The fourth proportional to 115,202,831.99, 172,804,414.28 and 47,045,523.74 is: 70,568,353.52
Step by Step Solution
- Step 1: Write the proportion equation
115,202,831.99 : 172,804,414.28 = 47,045,523.74 : x - Step 2: Convert to fraction form
115,202,831.99/172,804,414.28 = 47,045,523.74/x - Step 3: Cross multiply
115,202,831.99x = 172,804,414.28 × 47,045,523.74 - Step 4: Simplify right side
115,202,831.99x = 8,129,674,173,552,151 - Step 5: Solve for x
x = 8,129,674,173,552,151/115,202,831.99 - Step 6: Final answer
x = 70,568,353.52
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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.