Finding the Fourth Proportional to 283,319,971.22, 425,103,464.02 and 99,219,514.08
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Solution
The fourth proportional to 283,319,971.22, 425,103,464.02 and 99,219,514.08 is: 148,872,523.71
Step by Step Solution
- Step 1: Write the proportion equation
283,319,971.22 : 425,103,464.02 = 99,219,514.08 : x - Step 2: Convert to fraction form
283,319,971.22/425,103,464.02 = 99,219,514.08/x - Step 3: Cross multiply
283,319,971.22x = 425,103,464.02 × 99,219,514.08 - Step 4: Simplify right side
283,319,971.22x = 42,178,559,133,789,160 - Step 5: Solve for x
x = 42,178,559,133,789,160/283,319,971.22 - Step 6: Final answer
x = 148,872,523.71
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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.