Finding the Fourth Proportional to 184,603,687.80, 254,831,529.86 and 115,023,446.28
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Solution
The fourth proportional to 184,603,687.80, 254,831,529.86 and 115,023,446.28 is: 158,781,230.94
Step by Step Solution
- Step 1: Write the proportion equation
184,603,687.80 : 254,831,529.86 = 115,023,446.28 : x - Step 2: Convert to fraction form
184,603,687.80/254,831,529.86 = 115,023,446.28/x - Step 3: Cross multiply
184,603,687.80x = 254,831,529.86 × 115,023,446.28 - Step 4: Simplify right side
184,603,687.80x = 29,311,600,785,301,928 - Step 5: Solve for x
x = 29,311,600,785,301,928/184,603,687.80 - Step 6: Final answer
x = 158,781,230.94
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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.