Finding the Fourth Proportional to 94,480,119.36, 130,385,328.21 and 55,318,232.07
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Solution
The fourth proportional to 94,480,119.36, 130,385,328.21 and 55,318,232.07 is: 76,340,778.29
Step by Step Solution
- Step 1: Write the proportion equation
94,480,119.36 : 130,385,328.21 = 55,318,232.07 : x - Step 2: Convert to fraction form
94,480,119.36/130,385,328.21 = 55,318,232.07/x - Step 3: Cross multiply
94,480,119.36x = 130,385,328.21 × 55,318,232.07 - Step 4: Simplify right side
94,480,119.36x = 7,212,685,844,443,897 - Step 5: Solve for x
x = 7,212,685,844,443,897/94,480,119.36 - Step 6: Final answer
x = 76,340,778.29
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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.