Finding the Fourth Proportional to 66,987,256.46, 100,494,832.98 and 20,927,264.99
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Solution
The fourth proportional to 66,987,256.46, 100,494,832.98 and 20,927,264.99 is: 31,395,255.02
Step by Step Solution
- Step 1: Write the proportion equation
66,987,256.46 : 100,494,832.98 = 20,927,264.99 : x - Step 2: Convert to fraction form
66,987,256.46/100,494,832.98 = 20,927,264.99/x - Step 3: Cross multiply
66,987,256.46x = 100,494,832.98 × 20,927,264.99 - Step 4: Simplify right side
66,987,256.46x = 2,103,081,999,395,777.25 - Step 5: Solve for x
x = 2,103,081,999,395,777.25/66,987,256.46 - Step 6: Final answer
x = 31,395,255.02
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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.