Finding the Fourth Proportional to 106,624,400.30, 159,995,616.64 and 52,037,437.98
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Solution
The fourth proportional to 106,624,400.30, 159,995,616.64 and 52,037,437.98 is: 78,084,959.49
Step by Step Solution
- Step 1: Write the proportion equation
106,624,400.30 : 159,995,616.64 = 52,037,437.98 : x - Step 2: Convert to fraction form
106,624,400.30/159,995,616.64 = 52,037,437.98/x - Step 3: Cross multiply
106,624,400.30x = 159,995,616.64 × 52,037,437.98 - Step 4: Simplify right side
106,624,400.30x = 8,325,761,977,975,855 - Step 5: Solve for x
x = 8,325,761,977,975,855/106,624,400.30 - Step 6: Final answer
x = 78,084,959.49
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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.