Finding the Fourth Proportional to 211,808,279.07, 317,530,432.87 and 73,615,933.53
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Solution
The fourth proportional to 211,808,279.07, 317,530,432.87 and 73,615,933.53 is: 110,360,649.46
Step by Step Solution
- Step 1: Write the proportion equation
211,808,279.07 : 317,530,432.87 = 73,615,933.53 : x - Step 2: Convert to fraction form
211,808,279.07/317,530,432.87 = 73,615,933.53/x - Step 3: Cross multiply
211,808,279.07x = 317,530,432.87 × 73,615,933.53 - Step 4: Simplify right side
211,808,279.07x = 23,375,299,239,726,008 - Step 5: Solve for x
x = 23,375,299,239,726,008/211,808,279.07 - Step 6: Final answer
x = 110,360,649.46
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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.