Finding the Fourth Proportional to 430,970,723.60, 646,456,093.97 and 103,446,236.75
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Solution
The fourth proportional to 430,970,723.60, 646,456,093.97 and 103,446,236.75 is: 155,169,357.18
Step by Step Solution
- Step 1: Write the proportion equation
430,970,723.60 : 646,456,093.97 = 103,446,236.75 : x - Step 2: Convert to fraction form
430,970,723.60/646,456,093.97 = 103,446,236.75/x - Step 3: Cross multiply
430,970,723.60x = 646,456,093.97 × 103,446,236.75 - Step 4: Simplify right side
430,970,723.60x = 66,873,450,141,551,360 - Step 5: Solve for x
x = 66,873,450,141,551,360/430,970,723.60 - Step 6: Final answer
x = 155,169,357.18
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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.