Finding the Fourth Proportional to 76,432,795.08, 105,462,765.36 and 48,560,043.12
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Solution
The fourth proportional to 76,432,795.08, 105,462,765.36 and 48,560,043.12 is: 67,003,652.40
Step by Step Solution
- Step 1: Write the proportion equation
76,432,795.08 : 105,462,765.36 = 48,560,043.12 : x - Step 2: Convert to fraction form
76,432,795.08/105,462,765.36 = 48,560,043.12/x - Step 3: Cross multiply
76,432,795.08x = 105,462,765.36 × 48,560,043.12 - Step 4: Simplify right side
76,432,795.08x = 5,121,276,433,436,042 - Step 5: Solve for x
x = 5,121,276,433,436,042/76,432,795.08 - Step 6: Final answer
x = 67,003,652.40
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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.