Finding the Fourth Proportional to 228,046,687.70, 342,070,031.55 and 199,348,873.70
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Solution
The fourth proportional to 228,046,687.70, 342,070,031.55 and 199,348,873.70 is: 299,023,310.55
Step by Step Solution
- Step 1: Write the proportion equation
228,046,687.70 : 342,070,031.55 = 199,348,873.70 : x - Step 2: Convert to fraction form
228,046,687.70/342,070,031.55 = 199,348,873.70/x - Step 3: Cross multiply
228,046,687.70x = 342,070,031.55 × 199,348,873.70 - Step 4: Simplify right side
228,046,687.70x = 68,191,275,516,015,960 - Step 5: Solve for x
x = 68,191,275,516,015,960/228,046,687.70 - Step 6: Final answer
x = 299,023,310.55
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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.