Finding the Fourth Proportional to 56,748,765.80, 85,135,105.98 and 18,407,290.60
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Solution
The fourth proportional to 56,748,765.80, 85,135,105.98 and 18,407,290.60 is: 27,614,814.42
Step by Step Solution
- Step 1: Write the proportion equation
56,748,765.80 : 85,135,105.98 = 18,407,290.60 : x - Step 2: Convert to fraction form
56,748,765.80/85,135,105.98 = 18,407,290.60/x - Step 3: Cross multiply
56,748,765.80x = 85,135,105.98 × 18,407,290.60 - Step 4: Simplify right side
56,748,765.80x = 1,567,106,636,035,658 - Step 5: Solve for x
x = 1,567,106,636,035,658/56,748,765.80 - Step 6: Final answer
x = 27,614,814.42
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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.