Finding the Fourth Proportional to 84,489,357.63, 116,575,327.74 and 47,819,928.63
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Solution
The fourth proportional to 84,489,357.63, 116,575,327.74 and 47,819,928.63 is: 65,980,189.80
Step by Step Solution
- Step 1: Write the proportion equation
84,489,357.63 : 116,575,327.74 = 47,819,928.63 : x - Step 2: Convert to fraction form
84,489,357.63/116,575,327.74 = 47,819,928.63/x - Step 3: Cross multiply
84,489,357.63x = 116,575,327.74 × 47,819,928.63 - Step 4: Simplify right side
84,489,357.63x = 5,574,623,852,545,659 - Step 5: Solve for x
x = 5,574,623,852,545,659/84,489,357.63 - Step 6: Final answer
x = 65,980,189.80
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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.