Finding the Fourth Proportional to 125,633,210.19, 173,371,343.86 and 69,877,431.24
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Solution
The fourth proportional to 125,633,210.19, 173,371,343.86 and 69,877,431.24 is: 96,429,472.28
Step by Step Solution
- Step 1: Write the proportion equation
125,633,210.19 : 173,371,343.86 = 69,877,431.24 : x - Step 2: Convert to fraction form
125,633,210.19/173,371,343.86 = 69,877,431.24/x - Step 3: Cross multiply
125,633,210.19x = 173,371,343.86 × 69,877,431.24 - Step 4: Simplify right side
125,633,210.19x = 12,114,744,159,563,546 - Step 5: Solve for x
x = 12,114,744,159,563,546/125,633,210.19 - Step 6: Final answer
x = 96,429,472.28
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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.