Finding the Fourth Proportional to 126,418,163.07, 189,627,488.55 and 48,731,650.59
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Solution
The fourth proportional to 126,418,163.07, 189,627,488.55 and 48,731,650.59 is: 73,097,569.92
Step by Step Solution
- Step 1: Write the proportion equation
126,418,163.07 : 189,627,488.55 = 48,731,650.59 : x - Step 2: Convert to fraction form
126,418,163.07/189,627,488.55 = 48,731,650.59/x - Step 3: Cross multiply
126,418,163.07x = 189,627,488.55 × 48,731,650.59 - Step 4: Simplify right side
126,418,163.07x = 9,240,860,514,277,828 - Step 5: Solve for x
x = 9,240,860,514,277,828/126,418,163.07 - Step 6: Final answer
x = 73,097,569.92
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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.