Finding the Fourth Proportional to 127,848,824.42, 176,313,716.51 and 83,779,817.60
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Solution
The fourth proportional to 127,848,824.42, 176,313,716.51 and 83,779,817.60 is: 115,539,044.47
Step by Step Solution
- Step 1: Write the proportion equation
127,848,824.42 : 176,313,716.51 = 83,779,817.60 : x - Step 2: Convert to fraction form
127,848,824.42/176,313,716.51 = 83,779,817.60/x - Step 3: Cross multiply
127,848,824.42x = 176,313,716.51 × 83,779,817.60 - Step 4: Simplify right side
127,848,824.42x = 14,771,531,009,607,794 - Step 5: Solve for x
x = 14,771,531,009,607,794/127,848,824.42 - Step 6: Final answer
x = 115,539,044.47
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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.