Finding the Fourth Proportional to 140,592,609.36, 210,902,774.46 and 48,464,218.74
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Solution
The fourth proportional to 140,592,609.36, 210,902,774.46 and 48,464,218.74 is: 72,701,105.99
Step by Step Solution
- Step 1: Write the proportion equation
140,592,609.36 : 210,902,774.46 = 48,464,218.74 : x - Step 2: Convert to fraction form
140,592,609.36/210,902,774.46 = 48,464,218.74/x - Step 3: Cross multiply
140,592,609.36x = 210,902,774.46 × 48,464,218.74 - Step 4: Simplify right side
140,592,609.36x = 10,221,238,194,302,326 - Step 5: Solve for x
x = 10,221,238,194,302,326/140,592,609.36 - Step 6: Final answer
x = 72,701,105.99
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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.