Finding the Fourth Proportional to 219,512,220.89, 302,898,938.37 and 125,432,466.19
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Solution
The fourth proportional to 219,512,220.89, 302,898,938.37 and 125,432,466.19 is: 173,080,845.75
Step by Step Solution
- Step 1: Write the proportion equation
219,512,220.89 : 302,898,938.37 = 125,432,466.19 : x - Step 2: Convert to fraction form
219,512,220.89/302,898,938.37 = 125,432,466.19/x - Step 3: Cross multiply
219,512,220.89x = 302,898,938.37 × 125,432,466.19 - Step 4: Simplify right side
219,512,220.89x = 37,993,360,845,705,440 - Step 5: Solve for x
x = 37,993,360,845,705,440/219,512,220.89 - Step 6: Final answer
x = 173,080,845.75
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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.