Finding the Fourth Proportional to 327,689,766.99, 491,538,910.05 and 109,340,109.06
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Solution
The fourth proportional to 327,689,766.99, 491,538,910.05 and 109,340,109.06 is: 164,011,584.88
Step by Step Solution
- Step 1: Write the proportion equation
327,689,766.99 : 491,538,910.05 = 109,340,109.06 : x - Step 2: Convert to fraction form
327,689,766.99/491,538,910.05 = 109,340,109.06/x - Step 3: Cross multiply
327,689,766.99x = 491,538,910.05 × 109,340,109.06 - Step 4: Simplify right side
327,689,766.99x = 53,744,918,032,100,536 - Step 5: Solve for x
x = 53,744,918,032,100,536/327,689,766.99 - Step 6: Final answer
x = 164,011,584.88
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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.