Finding the Fourth Proportional to 177,138,618.99, 265,677,650.13 and 47,715,961.65
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Solution
The fourth proportional to 177,138,618.99, 265,677,650.13 and 47,715,961.65 is: 71,565,786.37
Step by Step Solution
- Step 1: Write the proportion equation
177,138,618.99 : 265,677,650.13 = 47,715,961.65 : x - Step 2: Convert to fraction form
177,138,618.99/265,677,650.13 = 47,715,961.65/x - Step 3: Cross multiply
177,138,618.99x = 265,677,650.13 × 47,715,961.65 - Step 4: Simplify right side
177,138,618.99x = 12,677,064,564,865,196 - Step 5: Solve for x
x = 12,677,064,564,865,196/177,138,618.99 - Step 6: Final answer
x = 71,565,786.37
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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.