Finding the Fourth Proportional to 176,373,358.44, 243,408,849.92 and 105,811,611.36
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Solution
The fourth proportional to 176,373,358.44, 243,408,849.92 and 105,811,611.36 is: 146,028,191.88
Step by Step Solution
- Step 1: Write the proportion equation
176,373,358.44 : 243,408,849.92 = 105,811,611.36 : x - Step 2: Convert to fraction form
176,373,358.44/243,408,849.92 = 105,811,611.36/x - Step 3: Cross multiply
176,373,358.44x = 243,408,849.92 × 105,811,611.36 - Step 4: Simplify right side
176,373,358.44x = 25,755,482,629,319,604 - Step 5: Solve for x
x = 25,755,482,629,319,604/176,373,358.44 - Step 6: Final answer
x = 146,028,191.88
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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.