Finding the Fourth Proportional to 112,332,874.80, 168,499,312.20 and 27,232,330.80
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Solution
The fourth proportional to 112,332,874.80, 168,499,312.20 and 27,232,330.80 is: 40,848,496.20
Step by Step Solution
- Step 1: Write the proportion equation
112,332,874.80 : 168,499,312.20 = 27,232,330.80 : x - Step 2: Convert to fraction form
112,332,874.80/168,499,312.20 = 27,232,330.80/x - Step 3: Cross multiply
112,332,874.80x = 168,499,312.20 × 27,232,330.80 - Step 4: Simplify right side
112,332,874.80x = 4,588,629,009,402,876 - Step 5: Solve for x
x = 4,588,629,009,402,876/112,332,874.80 - Step 6: Final answer
x = 40,848,496.20
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1.5x scale
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.