Finding the Fourth Proportional to 68,102,276.43, 93,983,135.36 and 37,164,439.83
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Solution
The fourth proportional to 68,102,276.43, 93,983,135.36 and 37,164,439.83 is: 51,288,015.06
Step by Step Solution
- Step 1: Write the proportion equation
68,102,276.43 : 93,983,135.36 = 37,164,439.83 : x - Step 2: Convert to fraction form
68,102,276.43/93,983,135.36 = 37,164,439.83/x - Step 3: Cross multiply
68,102,276.43x = 93,983,135.36 × 37,164,439.83 - Step 4: Simplify right side
68,102,276.43x = 3,492,830,579,121,465 - Step 5: Solve for x
x = 3,492,830,579,121,465/68,102,276.43 - Step 6: Final answer
x = 51,288,015.06
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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.