Finding the Fourth Proportional to 99,004,556.97, 136,615,207.37 and 54,953,412.75
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Solution
The fourth proportional to 99,004,556.97, 136,615,207.37 and 54,953,412.75 is: 75,829,558.84
Step by Step Solution
- Step 1: Write the proportion equation
99,004,556.97 : 136,615,207.37 = 54,953,412.75 : x - Step 2: Convert to fraction form
99,004,556.97/136,615,207.37 = 54,953,412.75/x - Step 3: Cross multiply
99,004,556.97x = 136,615,207.37 × 54,953,412.75 - Step 4: Simplify right side
99,004,556.97x = 7,507,471,878,255,685 - Step 5: Solve for x
x = 7,507,471,878,255,685/99,004,556.97 - Step 6: Final answer
x = 75,829,558.84
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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.