Finding the Fourth Proportional to 126,512,812.80, 189,768,286.08 and 35,634,389.76
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Solution
The fourth proportional to 126,512,812.80, 189,768,286.08 and 35,634,389.76 is: 53,451,321.81
Step by Step Solution
- Step 1: Write the proportion equation
126,512,812.80 : 189,768,286.08 = 35,634,389.76 : x - Step 2: Convert to fraction form
126,512,812.80/189,768,286.08 = 35,634,389.76/x - Step 3: Cross multiply
126,512,812.80x = 189,768,286.08 × 35,634,389.76 - Step 4: Simplify right side
126,512,812.80x = 6,762,277,070,261,903 - Step 5: Solve for x
x = 6,762,277,070,261,903/126,512,812.80 - Step 6: Final answer
x = 53,451,321.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.