Finding the Fourth Proportional to 126,982,157.87, 190,427,565.84 and 43,961,367.48
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Solution
The fourth proportional to 126,982,157.87, 190,427,565.84 and 43,961,367.48 is: 65,926,239.88
Step by Step Solution
- Step 1: Write the proportion equation
126,982,157.87 : 190,427,565.84 = 43,961,367.48 : x - Step 2: Convert to fraction form
126,982,157.87/190,427,565.84 = 43,961,367.48/x - Step 3: Cross multiply
126,982,157.87x = 190,427,565.84 × 43,961,367.48 - Step 4: Simplify right side
126,982,157.87x = 8,371,456,200,214,134 - Step 5: Solve for x
x = 8,371,456,200,214,134/126,982,157.87 - Step 6: Final answer
x = 65,926,239.88
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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.