Finding the Fourth Proportional to 111,992,724.58, 154,542,068.01 and 62,430,905.98
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Solution
The fourth proportional to 111,992,724.58, 154,542,068.01 and 62,430,905.98 is: 86,150,250.87
Step by Step Solution
- Step 1: Write the proportion equation
111,992,724.58 : 154,542,068.01 = 62,430,905.98 : x - Step 2: Convert to fraction form
111,992,724.58/154,542,068.01 = 62,430,905.98/x - Step 3: Cross multiply
111,992,724.58x = 154,542,068.01 × 62,430,905.98 - Step 4: Simplify right side
111,992,724.58x = 9,648,201,317,887,074 - Step 5: Solve for x
x = 9,648,201,317,887,074/111,992,724.58 - Step 6: Final answer
x = 86,150,250.87
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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.