Finding the Fourth Proportional to 125,280,673.96, 187,860,255.90 and 73,482,202.84
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Solution
The fourth proportional to 125,280,673.96, 187,860,255.90 and 73,482,202.84 is: 110,187,668.96
Step by Step Solution
- Step 1: Write the proportion equation
125,280,673.96 : 187,860,255.90 = 73,482,202.84 : x - Step 2: Convert to fraction form
125,280,673.96/187,860,255.90 = 73,482,202.84/x - Step 3: Cross multiply
125,280,673.96x = 187,860,255.90 × 73,482,202.84 - Step 4: Simplify right side
125,280,673.96x = 13,804,385,429,618,108 - Step 5: Solve for x
x = 13,804,385,429,618,108/125,280,673.96 - Step 6: Final answer
x = 110,187,668.96
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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.