Finding the Fourth Proportional to 84,272,382.96, 126,408,574.44 and 23,688,108.96
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Solution
The fourth proportional to 84,272,382.96, 126,408,574.44 and 23,688,108.96 is: 35,532,163.44
Step by Step Solution
- Step 1: Write the proportion equation
84,272,382.96 : 126,408,574.44 = 23,688,108.96 : x - Step 2: Convert to fraction form
84,272,382.96/126,408,574.44 = 23,688,108.96/x - Step 3: Cross multiply
84,272,382.96x = 126,408,574.44 × 23,688,108.96 - Step 4: Simplify right side
84,272,382.96x = 2,994,380,084,812,991 - Step 5: Solve for x
x = 2,994,380,084,812,991/84,272,382.96 - Step 6: Final answer
x = 35,532,163.44
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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.