Finding the Fourth Proportional to 177,742,954.20, 266,614,431.30 and 91,649,512.20
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Solution
The fourth proportional to 177,742,954.20, 266,614,431.30 and 91,649,512.20 is: 137,474,268.30
Step by Step Solution
- Step 1: Write the proportion equation
177,742,954.20 : 266,614,431.30 = 91,649,512.20 : x - Step 2: Convert to fraction form
177,742,954.20/266,614,431.30 = 91,649,512.20/x - Step 3: Cross multiply
177,742,954.20x = 266,614,431.30 × 91,649,512.20 - Step 4: Simplify right side
177,742,954.20x = 24,435,082,574,125,412 - Step 5: Solve for x
x = 24,435,082,574,125,412/177,742,954.20 - Step 6: Final answer
x = 137,474,268.30
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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.