Finding the Fourth Proportional to 111,246,415.08, 153,508,991.44 and 64,218,639.14
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Solution
The fourth proportional to 111,246,415.08, 153,508,991.44 and 64,218,639.14 is: 88,615,336.67
Step by Step Solution
- Step 1: Write the proportion equation
111,246,415.08 : 153,508,991.44 = 64,218,639.14 : x - Step 2: Convert to fraction form
111,246,415.08/153,508,991.44 = 64,218,639.14/x - Step 3: Cross multiply
111,246,415.08x = 153,508,991.44 × 64,218,639.14 - Step 4: Simplify right side
111,246,415.08x = 9,858,138,526,030,708 - Step 5: Solve for x
x = 9,858,138,526,030,708/111,246,415.08 - Step 6: Final answer
x = 88,615,336.67
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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.