Finding the Fourth Proportional to 101,088,201.80, 151,632,302.70 and 80,932,809.80
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Solution
The fourth proportional to 101,088,201.80, 151,632,302.70 and 80,932,809.80 is: 121,399,214.70
Step by Step Solution
- Step 1: Write the proportion equation
101,088,201.80 : 151,632,302.70 = 80,932,809.80 : x - Step 2: Convert to fraction form
101,088,201.80/151,632,302.70 = 80,932,809.80/x - Step 3: Cross multiply
101,088,201.80x = 151,632,302.70 × 80,932,809.80 - Step 4: Simplify right side
101,088,201.80x = 12,272,028,313,955,126 - Step 5: Solve for x
x = 12,272,028,313,955,126/101,088,201.80 - Step 6: Final answer
x = 121,399,214.70
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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.