Finding the Fourth Proportional to 65,747,879.60, 98,621,819.40 and 27,436,888.40
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Solution
The fourth proportional to 65,747,879.60, 98,621,819.40 and 27,436,888.40 is: 41,155,332.60
Step by Step Solution
- Step 1: Write the proportion equation
65,747,879.60 : 98,621,819.40 = 27,436,888.40 : x - Step 2: Convert to fraction form
65,747,879.60/98,621,819.40 = 27,436,888.40/x - Step 3: Cross multiply
65,747,879.60x = 98,621,819.40 × 27,436,888.40 - Step 4: Simplify right side
65,747,879.60x = 2,705,875,852,682,755 - Step 5: Solve for x
x = 2,705,875,852,682,755/65,747,879.60 - Step 6: Final answer
x = 41,155,332.60
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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.