Finding the Fourth Proportional to 251,496,739.20, 376,489,281.60 and 149,208,124.80
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Solution
The fourth proportional to 251,496,739.20, 376,489,281.60 and 149,208,124.80 is: 223,363,769.62
Step by Step Solution
- Step 1: Write the proportion equation
251,496,739.20 : 376,489,281.60 = 149,208,124.80 : x - Step 2: Convert to fraction form
251,496,739.20/376,489,281.60 = 149,208,124.80/x - Step 3: Cross multiply
251,496,739.20x = 376,489,281.60 × 149,208,124.80 - Step 4: Simplify right side
251,496,739.20x = 56,175,259,714,835,152 - Step 5: Solve for x
x = 56,175,259,714,835,152/251,496,739.20 - Step 6: Final answer
x = 223,363,769.62
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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.