Finding the Fourth Proportional to 276,804,554.15, 415,206,831.23 and 161,729,862.95
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Solution
The fourth proportional to 276,804,554.15, 415,206,831.23 and 161,729,862.95 is: 242,594,794.43
Step by Step Solution
- Step 1: Write the proportion equation
276,804,554.15 : 415,206,831.23 = 161,729,862.95 : x - Step 2: Convert to fraction form
276,804,554.15/415,206,831.23 = 161,729,862.95/x - Step 3: Cross multiply
276,804,554.15x = 415,206,831.23 × 161,729,862.95 - Step 4: Simplify right side
276,804,554.15x = 67,151,343,910,731,680 - Step 5: Solve for x
x = 67,151,343,910,731,680/276,804,554.15 - Step 6: Final answer
x = 242,594,794.43
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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.