Finding the Fourth Proportional to 76,649,206.26, 105,761,752.74 and 43,607,526.42
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Solution
The fourth proportional to 76,649,206.26, 105,761,752.74 and 43,607,526.42 is: 60,170,335.11
Step by Step Solution
- Step 1: Write the proportion equation
76,649,206.26 : 105,761,752.74 = 43,607,526.42 : x - Step 2: Convert to fraction form
76,649,206.26/105,761,752.74 = 43,607,526.42/x - Step 3: Cross multiply
76,649,206.26x = 105,761,752.74 × 43,607,526.42 - Step 4: Simplify right side
76,649,206.26x = 4,612,008,426,835,057 - Step 5: Solve for x
x = 4,612,008,426,835,057/76,649,206.26 - Step 6: Final answer
x = 60,170,335.11
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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.