Finding the Fourth Proportional to 255,671,686.26, 383,505,216.30 and 80,794,748.99
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Solution
The fourth proportional to 255,671,686.26, 383,505,216.30 and 80,794,748.99 is: 121,191,392.53
Step by Step Solution
- Step 1: Write the proportion equation
255,671,686.26 : 383,505,216.30 = 80,794,748.99 : x - Step 2: Convert to fraction form
255,671,686.26/383,505,216.30 = 80,794,748.99/x - Step 3: Cross multiply
255,671,686.26x = 383,505,216.30 × 80,794,748.99 - Step 4: Simplify right side
255,671,686.26x = 30,985,207,688,272,924 - Step 5: Solve for x
x = 30,985,207,688,272,924/255,671,686.26 - Step 6: Final answer
x = 121,191,392.53
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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.