Finding the Fourth Proportional to 255,405,141.23, 352,459,081.49 and 137,930,460.12
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Solution
The fourth proportional to 255,405,141.23, 352,459,081.49 and 137,930,460.12 is: 190,344,027.73
Step by Step Solution
- Step 1: Write the proportion equation
255,405,141.23 : 352,459,081.49 = 137,930,460.12 : x - Step 2: Convert to fraction form
255,405,141.23/352,459,081.49 = 137,930,460.12/x - Step 3: Cross multiply
255,405,141.23x = 352,459,081.49 × 137,930,460.12 - Step 4: Simplify right side
255,405,141.23x = 48,614,843,282,698,624 - Step 5: Solve for x
x = 48,614,843,282,698,624/255,405,141.23 - Step 6: Final answer
x = 190,344,027.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.