Finding the Fourth Proportional to 134,314,511.30, 201,372,234.15 and 91,075,804.10
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Solution
The fourth proportional to 134,314,511.30, 201,372,234.15 and 91,075,804.10 is: 136,546,215.08
Step by Step Solution
- Step 1: Write the proportion equation
134,314,511.30 : 201,372,234.15 = 91,075,804.10 : x - Step 2: Convert to fraction form
134,314,511.30/201,372,234.15 = 91,075,804.10/x - Step 3: Cross multiply
134,314,511.30x = 201,372,234.15 × 91,075,804.10 - Step 4: Simplify right side
134,314,511.30x = 18,340,138,148,624,728 - Step 5: Solve for x
x = 18,340,138,148,624,728/134,314,511.30 - Step 6: Final answer
x = 136,546,215.08
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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.