Finding the Fourth Proportional to 133,058,186.20, 199,587,279.30 and 131,266,595.80
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Solution
The fourth proportional to 133,058,186.20, 199,587,279.30 and 131,266,595.80 is: 196,899,893.70
Step by Step Solution
- Step 1: Write the proportion equation
133,058,186.20 : 199,587,279.30 = 131,266,595.80 : x - Step 2: Convert to fraction form
133,058,186.20/199,587,279.30 = 131,266,595.80/x - Step 3: Cross multiply
133,058,186.20x = 199,587,279.30 × 131,266,595.80 - Step 4: Simplify right side
133,058,186.20x = 26,199,142,718,694,808 - Step 5: Solve for x
x = 26,199,142,718,694,808/133,058,186.20 - Step 6: Final answer
x = 196,899,893.70
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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.