Finding the Fourth Proportional to 133,058,206.20, 199,587,309.30 and 131,266,615.80
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Solution
The fourth proportional to 133,058,206.20, 199,587,309.30 and 131,266,615.80 is: 196,899,923.70
Step by Step Solution
- Step 1: Write the proportion equation
133,058,206.20 : 199,587,309.30 = 131,266,615.80 : x - Step 2: Convert to fraction form
133,058,206.20/199,587,309.30 = 131,266,615.80/x - Step 3: Cross multiply
133,058,206.20x = 199,587,309.30 × 131,266,615.80 - Step 4: Simplify right side
133,058,206.20x = 26,199,150,648,438,868 - Step 5: Solve for x
x = 26,199,150,648,438,868/133,058,206.20 - Step 6: Final answer
x = 196,899,923.70
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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.