Finding the Fourth Proportional to 127,767,660.90, 191,651,491.35 and 59,617,241.70
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Solution
The fourth proportional to 127,767,660.90, 191,651,491.35 and 59,617,241.70 is: 89,425,862.55
Step by Step Solution
- Step 1: Write the proportion equation
127,767,660.90 : 191,651,491.35 = 59,617,241.70 : x - Step 2: Convert to fraction form
127,767,660.90/191,651,491.35 = 59,617,241.70/x - Step 3: Cross multiply
127,767,660.90x = 191,651,491.35 × 59,617,241.70 - Step 4: Simplify right side
127,767,660.90x = 11,425,733,281,978,410 - Step 5: Solve for x
x = 11,425,733,281,978,410/127,767,660.90 - Step 6: Final answer
x = 89,425,862.55
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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.