Finding the Fourth Proportional to 203,241,538.69, 280,473,323.37 and 115,135,536.36
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Solution
The fourth proportional to 203,241,538.69, 280,473,323.37 and 115,135,536.36 is: 158,887,040.17
Step by Step Solution
- Step 1: Write the proportion equation
203,241,538.69 : 280,473,323.37 = 115,135,536.36 : x - Step 2: Convert to fraction form
203,241,538.69/280,473,323.37 = 115,135,536.36/x - Step 3: Cross multiply
203,241,538.69x = 280,473,323.37 × 115,135,536.36 - Step 4: Simplify right side
203,241,538.69x = 32,292,446,521,495,540 - Step 5: Solve for x
x = 32,292,446,521,495,540/203,241,538.69 - Step 6: Final answer
x = 158,887,040.17
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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.