Finding the Fourth Proportional to 112,135,409.80, 168,203,114.70 and 30,254,129.80
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Solution
The fourth proportional to 112,135,409.80, 168,203,114.70 and 30,254,129.80 is: 45,381,194.70
Step by Step Solution
- Step 1: Write the proportion equation
112,135,409.80 : 168,203,114.70 = 30,254,129.80 : x - Step 2: Convert to fraction form
112,135,409.80/168,203,114.70 = 30,254,129.80/x - Step 3: Cross multiply
112,135,409.80x = 168,203,114.70 × 30,254,129.80 - Step 4: Simplify right side
112,135,409.80x = 5,088,838,864,898,088 - Step 5: Solve for x
x = 5,088,838,864,898,088/112,135,409.80 - Step 6: Final answer
x = 45,381,194.70
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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.