Finding the Fourth Proportional to 106,929,954.46, 147,563,446.36 and 58,037,392.54
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Solution
The fourth proportional to 106,929,954.46, 147,563,446.36 and 58,037,392.54 is: 80,091,660.98
Step by Step Solution
- Step 1: Write the proportion equation
106,929,954.46 : 147,563,446.36 = 58,037,392.54 : x - Step 2: Convert to fraction form
106,929,954.46/147,563,446.36 = 58,037,392.54/x - Step 3: Cross multiply
106,929,954.46x = 147,563,446.36 × 58,037,392.54 - Step 4: Simplify right side
106,929,954.46x = 8,564,197,660,950,555 - Step 5: Solve for x
x = 8,564,197,660,950,555/106,929,954.46 - Step 6: Final answer
x = 80,091,660.98
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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.