Finding the Fourth Proportional to 188,971,479.99, 283,354,646.45 and 85,219,291.58
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Solution
The fourth proportional to 188,971,479.99, 283,354,646.45 and 85,219,291.58 is: 127,782,680.41
Step by Step Solution
- Step 1: Write the proportion equation
188,971,479.99 : 283,354,646.45 = 85,219,291.58 : x - Step 2: Convert to fraction form
188,971,479.99/283,354,646.45 = 85,219,291.58/x - Step 3: Cross multiply
188,971,479.99x = 283,354,646.45 × 85,219,291.58 - Step 4: Simplify right side
188,971,479.99x = 24,147,282,234,527,492 - Step 5: Solve for x
x = 24,147,282,234,527,492/188,971,479.99 - Step 6: Final answer
x = 127,782,680.41
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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.