Finding the Fourth Proportional to 117,951,567.80, 176,927,351.70 and 66,933,231.80
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Solution
The fourth proportional to 117,951,567.80, 176,927,351.70 and 66,933,231.80 is: 100,399,847.70
Step by Step Solution
- Step 1: Write the proportion equation
117,951,567.80 : 176,927,351.70 = 66,933,231.80 : x - Step 2: Convert to fraction form
117,951,567.80/176,927,351.70 = 66,933,231.80/x - Step 3: Cross multiply
117,951,567.80x = 176,927,351.70 × 66,933,231.80 - Step 4: Simplify right side
117,951,567.80x = 11,842,319,443,096,222 - Step 5: Solve for x
x = 11,842,319,443,096,222/117,951,567.80 - Step 6: Final answer
x = 100,399,847.70
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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.