Finding the Fourth Proportional to 176,173,849.20, 264,355,252.20 and 73,948,220.40
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Solution
The fourth proportional to 176,173,849.20, 264,355,252.20 and 73,948,220.40 is: 110,961,987.50
Step by Step Solution
- Step 1: Write the proportion equation
176,173,849.20 : 264,355,252.20 = 73,948,220.40 : x - Step 2: Convert to fraction form
176,173,849.20/264,355,252.20 = 73,948,220.40/x - Step 3: Cross multiply
176,173,849.20x = 264,355,252.20 × 73,948,220.40 - Step 4: Simplify right side
176,173,849.20x = 19,548,600,453,583,184 - Step 5: Solve for x
x = 19,548,600,453,583,184/176,173,849.20 - Step 6: Final answer
x = 110,961,987.50
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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.