Finding the Fourth Proportional to 131,001,031.99, 196,480,724.10 and 43,555,275.55
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Solution
The fourth proportional to 131,001,031.99, 196,480,724.10 and 43,555,275.55 is: 65,325,989.79
Step by Step Solution
- Step 1: Write the proportion equation
131,001,031.99 : 196,480,724.10 = 43,555,275.55 : x - Step 2: Convert to fraction form
131,001,031.99/196,480,724.10 = 43,555,275.55/x - Step 3: Cross multiply
131,001,031.99x = 196,480,724.10 × 43,555,275.55 - Step 4: Simplify right side
131,001,031.99x = 8,557,772,078,766,512 - Step 5: Solve for x
x = 8,557,772,078,766,512/131,001,031.99 - Step 6: Final answer
x = 65,325,989.79
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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.