Finding the Fourth Proportional to 276,274,223.00, 381,259,645.47 and 152,515,917.08
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Solution
The fourth proportional to 276,274,223.00, 381,259,645.47 and 152,515,917.08 is: 210,472,637.81
Step by Step Solution
- Step 1: Write the proportion equation
276,274,223.00 : 381,259,645.47 = 152,515,917.08 : x - Step 2: Convert to fraction form
276,274,223.00/381,259,645.47 = 152,515,917.08/x - Step 3: Cross multiply
276,274,223.00x = 381,259,645.47 × 152,515,917.08 - Step 4: Simplify right side
276,274,223.00x = 58,148,164,471,783,832 - Step 5: Solve for x
x = 58,148,164,471,783,832/276,274,223.00 - Step 6: Final answer
x = 210,472,637.81
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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.