Finding the Fourth Proportional to 163,445,996.34, 245,169,878.22 and 48,431,535.12
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Solution
The fourth proportional to 163,445,996.34, 245,169,878.22 and 48,431,535.12 is: 72,647,564.54
Step by Step Solution
- Step 1: Write the proportion equation
163,445,996.34 : 245,169,878.22 = 48,431,535.12 : x - Step 2: Convert to fraction form
163,445,996.34/245,169,878.22 = 48,431,535.12/x - Step 3: Cross multiply
163,445,996.34x = 245,169,878.22 × 48,431,535.12 - Step 4: Simplify right side
163,445,996.34x = 11,873,953,567,378,052 - Step 5: Solve for x
x = 11,873,953,567,378,052/163,445,996.34 - Step 6: Final answer
x = 72,647,564.54
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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.