Finding the Fourth Proportional to 69,819,625.99, 96,351,083.15 and 40,467,983.74
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Solution
The fourth proportional to 69,819,625.99, 96,351,083.15 and 40,467,983.74 is: 55,845,817.14
Step by Step Solution
- Step 1: Write the proportion equation
69,819,625.99 : 96,351,083.15 = 40,467,983.74 : x - Step 2: Convert to fraction form
69,819,625.99/96,351,083.15 = 40,467,983.74/x - Step 3: Cross multiply
69,819,625.99x = 96,351,083.15 × 40,467,983.74 - Step 4: Simplify right side
69,819,625.99x = 3,899,134,065,802,370 - Step 5: Solve for x
x = 3,899,134,065,802,370/69,819,625.99 - Step 6: Final answer
x = 55,845,817.14
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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.