Finding the Fourth Proportional to 234,848,909.83, 324,072,595.09 and 135,736,076.71
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Solution
The fourth proportional to 234,848,909.83, 324,072,595.09 and 135,736,076.71 is: 187,304,861.92
Step by Step Solution
- Step 1: Write the proportion equation
234,848,909.83 : 324,072,595.09 = 135,736,076.71 : x - Step 2: Convert to fraction form
234,848,909.83/324,072,595.09 = 135,736,076.71/x - Step 3: Cross multiply
234,848,909.83x = 324,072,595.09 × 135,736,076.71 - Step 4: Simplify right side
234,848,909.83x = 43,988,342,626,745,008 - Step 5: Solve for x
x = 43,988,342,626,745,008/234,848,909.83 - Step 6: Final answer
x = 187,304,861.92
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.