Finding the Fourth Proportional to 85,395,107.84, 117,845,304.44 and 46,236,911.13
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Solution
The fourth proportional to 85,395,107.84, 117,845,304.44 and 46,236,911.13 is: 63,806,967.48
Step by Step Solution
- Step 1: Write the proportion equation
85,395,107.84 : 117,845,304.44 = 46,236,911.13 : x - Step 2: Convert to fraction form
85,395,107.84/117,845,304.44 = 46,236,911.13/x - Step 3: Cross multiply
85,395,107.84x = 117,845,304.44 × 46,236,911.13 - Step 4: Simplify right side
85,395,107.84x = 5,448,802,868,248,890 - Step 5: Solve for x
x = 5,448,802,868,248,890/85,395,107.84 - Step 6: Final answer
x = 63,806,967.48
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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.