Finding the Fourth Proportional to 125,820,090.96, 188,642,394.68 and 55,752,210.80
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Solution
The fourth proportional to 125,820,090.96, 188,642,394.68 and 55,752,210.80 is: 83,589,436.90
Step by Step Solution
- Step 1: Write the proportion equation
125,820,090.96 : 188,642,394.68 = 55,752,210.80 : x - Step 2: Convert to fraction form
125,820,090.96/188,642,394.68 = 55,752,210.80/x - Step 3: Cross multiply
125,820,090.96x = 188,642,394.68 × 55,752,210.80 - Step 4: Simplify right side
125,820,090.96x = 10,517,230,554,016,158 - Step 5: Solve for x
x = 10,517,230,554,016,158/125,820,090.96 - Step 6: Final answer
x = 83,589,436.90
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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.