Finding the Fourth Proportional to 87,844,073.10, 131,636,631.36 and 48,928,954.74
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Solution
The fourth proportional to 87,844,073.10, 131,636,631.36 and 48,928,954.74 is: 73,321,312.99
Step by Step Solution
- Step 1: Write the proportion equation
87,844,073.10 : 131,636,631.36 = 48,928,954.74 : x - Step 2: Convert to fraction form
87,844,073.10/131,636,631.36 = 48,928,954.74/x - Step 3: Cross multiply
87,844,073.10x = 131,636,631.36 × 48,928,954.74 - Step 4: Simplify right side
87,844,073.10x = 6,440,842,777,939,505 - Step 5: Solve for x
x = 6,440,842,777,939,505/87,844,073.10 - Step 6: Final answer
x = 73,321,312.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.