Finding the Fourth Proportional to 126,341,711.40, 189,654,284.70 and 97,714,756.20
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Solution
The fourth proportional to 126,341,711.40, 189,654,284.70 and 97,714,756.20 is: 146,681,741.02
Step by Step Solution
- Step 1: Write the proportion equation
126,341,711.40 : 189,654,284.70 = 97,714,756.20 : x - Step 2: Convert to fraction form
126,341,711.40/189,654,284.70 = 97,714,756.20/x - Step 3: Cross multiply
126,341,711.40x = 189,654,284.70 × 97,714,756.20 - Step 4: Simplify right side
126,341,711.40x = 18,532,022,191,745,888 - Step 5: Solve for x
x = 18,532,022,191,745,888/126,341,711.40 - Step 6: Final answer
x = 146,681,741.02
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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.