Finding the Fourth Proportional to 68,422,797.36, 94,399,797.40 and 51,885,694.80
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Solution
The fourth proportional to 68,422,797.36, 94,399,797.40 and 51,885,694.80 is: 71,584,314.96
Step by Step Solution
- Step 1: Write the proportion equation
68,422,797.36 : 94,399,797.40 = 51,885,694.80 : x - Step 2: Convert to fraction form
68,422,797.36/94,399,797.40 = 51,885,694.80/x - Step 3: Cross multiply
68,422,797.36x = 94,399,797.40 × 51,885,694.80 - Step 4: Simplify right side
68,422,797.36x = 4,897,999,076,818,805 - Step 5: Solve for x
x = 4,897,999,076,818,805/68,422,797.36 - Step 6: Final answer
x = 71,584,314.96
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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.