Finding the Fourth Proportional to 203,936,422.74, 305,686,840.65 and 116,309,257.12
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Solution
The fourth proportional to 203,936,422.74, 305,686,840.65 and 116,309,257.12 is: 174,339,673.46
Step by Step Solution
- Step 1: Write the proportion equation
203,936,422.74 : 305,686,840.65 = 116,309,257.12 : x - Step 2: Convert to fraction form
203,936,422.74/305,686,840.65 = 116,309,257.12/x - Step 3: Cross multiply
203,936,422.74x = 305,686,840.65 × 116,309,257.12 - Step 4: Simplify right side
203,936,422.74x = 35,554,209,346,779,772 - Step 5: Solve for x
x = 35,554,209,346,779,772/203,936,422.74 - Step 6: Final answer
x = 174,339,673.46
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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.