Finding the Fourth Proportional to 129,925,114.02, 194,174,363.79 and 94,983,786.04
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Solution
The fourth proportional to 129,925,114.02, 194,174,363.79 and 94,983,786.04 is: 141,954,204.65
Step by Step Solution
- Step 1: Write the proportion equation
129,925,114.02 : 194,174,363.79 = 94,983,786.04 : x - Step 2: Convert to fraction form
129,925,114.02/194,174,363.79 = 94,983,786.04/x - Step 3: Cross multiply
129,925,114.02x = 194,174,363.79 × 94,983,786.04 - Step 4: Simplify right side
129,925,114.02x = 18,443,416,224,682,484 - Step 5: Solve for x
x = 18,443,416,224,682,484/129,925,114.02 - Step 6: Final answer
x = 141,954,204.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.