Finding the Fourth Proportional to 84,443,780.63, 116,531,629.94 and 47,774,351.63
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Solution
The fourth proportional to 84,443,780.63, 116,531,629.94 and 47,774,351.63 is: 65,928,159.81
Step by Step Solution
- Step 1: Write the proportion equation
84,443,780.63 : 116,531,629.94 = 47,774,351.63 : x - Step 2: Convert to fraction form
84,443,780.63/116,531,629.94 = 47,774,351.63/x - Step 3: Cross multiply
84,443,780.63x = 116,531,629.94 × 47,774,351.63 - Step 4: Simplify right side
84,443,780.63x = 5,567,223,063,949,066 - Step 5: Solve for x
x = 5,567,223,063,949,066/84,443,780.63 - Step 6: Final answer
x = 65,928,159.81
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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.