Finding the Fourth Proportional to 83,543,199.09, 125,340,454.88 and 39,879,674.43
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Solution
The fourth proportional to 83,543,199.09, 125,340,454.88 and 39,879,674.43 is: 59,831,758.75
Step by Step Solution
- Step 1: Write the proportion equation
83,543,199.09 : 125,340,454.88 = 39,879,674.43 : x - Step 2: Convert to fraction form
83,543,199.09/125,340,454.88 = 39,879,674.43/x - Step 3: Cross multiply
83,543,199.09x = 125,340,454.88 × 39,879,674.43 - Step 4: Simplify right side
83,543,199.09x = 4,998,536,533,323,106 - Step 5: Solve for x
x = 4,998,536,533,323,106/83,543,199.09 - Step 6: Final answer
x = 59,831,758.75
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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.