Finding the Fourth Proportional to 125,328,962.88, 187,984,569.68 and 33,210,661.44
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Solution
The fourth proportional to 125,328,962.88, 187,984,569.68 and 33,210,661.44 is: 49,813,640.49
Step by Step Solution
- Step 1: Write the proportion equation
125,328,962.88 : 187,984,569.68 = 33,210,661.44 : x - Step 2: Convert to fraction form
125,328,962.88/187,984,569.68 = 33,210,661.44/x - Step 3: Cross multiply
125,328,962.88x = 187,984,569.68 × 33,210,661.44 - Step 4: Simplify right side
125,328,962.88x = 6,243,091,899,586,570 - Step 5: Solve for x
x = 6,243,091,899,586,570/125,328,962.88 - Step 6: Final answer
x = 49,813,640.49
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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.