Finding the Fourth Proportional to 290,720,414.64, 401,256,260.28 and 167,029,293.36
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Solution
The fourth proportional to 290,720,414.64, 401,256,260.28 and 167,029,293.36 is: 230,536,096.66
Step by Step Solution
- Step 1: Write the proportion equation
290,720,414.64 : 401,256,260.28 = 167,029,293.36 : x - Step 2: Convert to fraction form
290,720,414.64/401,256,260.28 = 167,029,293.36/x - Step 3: Cross multiply
290,720,414.64x = 401,256,260.28 × 167,029,293.36 - Step 4: Simplify right side
290,720,414.64x = 67,021,549,610,844,640 - Step 5: Solve for x
x = 67,021,549,610,844,640/290,720,414.64 - Step 6: Final answer
x = 230,536,096.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.