Finding the Fourth Proportional to 229,550,949.60, 316,777,731.98 and 125,126,729.70
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Solution
The fourth proportional to 229,550,949.60, 316,777,731.98 and 125,126,729.70 is: 172,673,481.48
Step by Step Solution
- Step 1: Write the proportion equation
229,550,949.60 : 316,777,731.98 = 125,126,729.70 : x - Step 2: Convert to fraction form
229,550,949.60/316,777,731.98 = 125,126,729.70/x - Step 3: Cross multiply
229,550,949.60x = 316,777,731.98 × 125,126,729.70 - Step 4: Simplify right side
229,550,949.60x = 39,637,361,643,814,880 - Step 5: Solve for x
x = 39,637,361,643,814,880/229,550,949.60 - Step 6: Final answer
x = 172,673,481.48
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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.