Finding the Fourth Proportional to 174,631,531.50, 262,128,984.30 and 128,625,349.14
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Solution
The fourth proportional to 174,631,531.50, 262,128,984.30 and 128,625,349.14 is: 193,071,845.82
Step by Step Solution
- Step 1: Write the proportion equation
174,631,531.50 : 262,128,984.30 = 128,625,349.14 : x - Step 2: Convert to fraction form
174,631,531.50/262,128,984.30 = 128,625,349.14/x - Step 3: Cross multiply
174,631,531.50x = 262,128,984.30 × 128,625,349.14 - Step 4: Simplify right side
174,631,531.50x = 33,716,432,125,301,080 - Step 5: Solve for x
x = 33,716,432,125,301,080/174,631,531.50 - Step 6: Final answer
x = 193,071,845.82
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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.