Finding the Fourth Proportional to 147,127,897.26, 203,042,796.66 and 81,937,801.26
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Solution
The fourth proportional to 147,127,897.26, 203,042,796.66 and 81,937,801.26 is: 113,077,673.44
Step by Step Solution
- Step 1: Write the proportion equation
147,127,897.26 : 203,042,796.66 = 81,937,801.26 : x - Step 2: Convert to fraction form
147,127,897.26/203,042,796.66 = 81,937,801.26/x - Step 3: Cross multiply
147,127,897.26x = 203,042,796.66 × 81,937,801.26 - Step 4: Simplify right side
147,127,897.26x = 16,636,880,320,001,672 - Step 5: Solve for x
x = 16,636,880,320,001,672/147,127,897.26 - Step 6: Final answer
x = 113,077,673.44
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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.