Finding the Fourth Proportional to 138,956,964,495.64, 207,499,708,384.68 and 113,481,649,982.62
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Solution
The fourth proportional to 138,956,964,495.64, 207,499,708,384.68 and 113,481,649,982.62 is: 169,458,287,779.05
Step by Step Solution
- Step 1: Write the proportion equation
138,956,964,495.64 : 207,499,708,384.68 = 113,481,649,982.62 : x - Step 2: Convert to fraction form
138,956,964,495.64/207,499,708,384.68 = 113,481,649,982.62/x - Step 3: Cross multiply
138,956,964,495.64x = 207,499,708,384.68 × 113,481,649,982.62 - Step 4: Simplify right side
138,956,964,495.64x = 23,547,409,278,405,976,260,608 - Step 5: Solve for x
x = 23,547,409,278,405,976,260,608/138,956,964,495.64 - Step 6: Final answer
x = 169,458,287,779.05
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.