Finding the Fourth Proportional to 283,444,865.20, 425,167,297.80 and 140,117,633.20
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Solution
The fourth proportional to 283,444,865.20, 425,167,297.80 and 140,117,633.20 is: 210,176,449.80
Step by Step Solution
- Step 1: Write the proportion equation
283,444,865.20 : 425,167,297.80 = 140,117,633.20 : x - Step 2: Convert to fraction form
283,444,865.20/425,167,297.80 = 140,117,633.20/x - Step 3: Cross multiply
283,444,865.20x = 425,167,297.80 × 140,117,633.20 - Step 4: Simplify right side
283,444,865.20x = 59,573,435,481,775,560 - Step 5: Solve for x
x = 59,573,435,481,775,560/283,444,865.20 - Step 6: Final answer
x = 210,176,449.80
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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.