Finding the Fourth Proportional to 133,058,994.30, 199,588,491.45 and 113,575,448.70
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Solution
The fourth proportional to 133,058,994.30, 199,588,491.45 and 113,575,448.70 is: 170,363,173.05
Step by Step Solution
- Step 1: Write the proportion equation
133,058,994.30 : 199,588,491.45 = 113,575,448.70 : x - Step 2: Convert to fraction form
133,058,994.30/199,588,491.45 = 113,575,448.70/x - Step 3: Cross multiply
133,058,994.30x = 199,588,491.45 × 113,575,448.70 - Step 4: Simplify right side
133,058,994.30x = 22,668,352,471,789,864 - Step 5: Solve for x
x = 22,668,352,471,789,864/133,058,994.30 - Step 6: Final answer
x = 170,363,173.05
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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.