Finding the Fourth Proportional to 252,211,860.36, 348,052,516.56 and 140,702,701.68
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Solution
The fourth proportional to 252,211,860.36, 348,052,516.56 and 140,702,701.68 is: 194,169,811.59
Step by Step Solution
- Step 1: Write the proportion equation
252,211,860.36 : 348,052,516.56 = 140,702,701.68 : x - Step 2: Convert to fraction form
252,211,860.36/348,052,516.56 = 140,702,701.68/x - Step 3: Cross multiply
252,211,860.36x = 348,052,516.56 × 140,702,701.68 - Step 4: Simplify right side
252,211,860.36x = 48,971,929,406,514,944 - Step 5: Solve for x
x = 48,971,929,406,514,944/252,211,860.36 - Step 6: Final answer
x = 194,169,811.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.