Finding the Fourth Proportional to 101,620,769.34, 140,236,661.68 and 57,567,768.18
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Solution
The fourth proportional to 101,620,769.34, 140,236,661.68 and 57,567,768.18 is: 79,443,520.08
Step by Step Solution
- Step 1: Write the proportion equation
101,620,769.34 : 140,236,661.68 = 57,567,768.18 : x - Step 2: Convert to fraction form
101,620,769.34/140,236,661.68 = 57,567,768.18/x - Step 3: Cross multiply
101,620,769.34x = 140,236,661.68 × 57,567,768.18 - Step 4: Simplify right side
101,620,769.34x = 8,073,111,630,373,885 - Step 5: Solve for x
x = 8,073,111,630,373,885/101,620,769.34 - Step 6: Final answer
x = 79,443,520.08
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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.