Finding the Fourth Proportional to 177,147,911.70, 265,721,867.55 and 159,232,007.70
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Solution
The fourth proportional to 177,147,911.70, 265,721,867.55 and 159,232,007.70 is: 238,848,011.55
Step by Step Solution
- Step 1: Write the proportion equation
177,147,911.70 : 265,721,867.55 = 159,232,007.70 : x - Step 2: Convert to fraction form
177,147,911.70/265,721,867.55 = 159,232,007.70/x - Step 3: Cross multiply
177,147,911.70x = 265,721,867.55 × 159,232,007.70 - Step 4: Simplify right side
177,147,911.70x = 42,311,426,459,779,976 - Step 5: Solve for x
x = 42,311,426,459,779,976/177,147,911.70 - Step 6: Final answer
x = 238,848,011.55
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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.