Finding the Fourth Proportional to 75,439,515.63, 104,107,469.49 and 45,669,776.52
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Solution
The fourth proportional to 75,439,515.63, 104,107,469.49 and 45,669,776.52 is: 63,024,859.40
Step by Step Solution
- Step 1: Write the proportion equation
75,439,515.63 : 104,107,469.49 = 45,669,776.52 : x - Step 2: Convert to fraction form
75,439,515.63/104,107,469.49 = 45,669,776.52/x - Step 3: Cross multiply
75,439,515.63x = 104,107,469.49 × 45,669,776.52 - Step 4: Simplify right side
75,439,515.63x = 4,754,564,865,671,018 - Step 5: Solve for x
x = 4,754,564,865,671,018/75,439,515.63 - Step 6: Final answer
x = 63,024,859.40
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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.