Finding the Fourth Proportional to 202,409,126.58, 279,343,318 and 123,005,862.44
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Solution
The fourth proportional to 202,409,126.58, 279,343,318 and 123,005,862.44 is: 169,759,468.50
Step by Step Solution
- Step 1: Write the proportion equation
202,409,126.58 : 279,343,318 = 123,005,862.44 : x - Step 2: Convert to fraction form
202,409,126.58/279,343,318 = 123,005,862.44/x - Step 3: Cross multiply
202,409,126.58x = 279,343,318 × 123,005,862.44 - Step 4: Simplify right side
202,409,126.58x = 34,360,865,747,441,176 - Step 5: Solve for x
x = 34,360,865,747,441,176/202,409,126.58 - Step 6: Final answer
x = 169,759,468.50
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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.