Finding the Fourth Proportional to 69,819,628.25, 96,351,086.25 and 40,467,985.99
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Solution
The fourth proportional to 69,819,628.25, 96,351,086.25 and 40,467,985.99 is: 55,845,820.23
Step by Step Solution
- Step 1: Write the proportion equation
69,819,628.25 : 96,351,086.25 = 40,467,985.99 : x - Step 2: Convert to fraction form
69,819,628.25/96,351,086.25 = 40,467,985.99/x - Step 3: Cross multiply
69,819,628.25x = 96,351,086.25 × 40,467,985.99 - Step 4: Simplify right side
69,819,628.25x = 3,899,134,408,245,403.50 - Step 5: Solve for x
x = 3,899,134,408,245,403.50/69,819,628.25 - Step 6: Final answer
x = 55,845,820.23
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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.