Finding the Fourth Proportional to 84,889,369.80, 127,334,054.70 and 84,889,369.80
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Solution
The fourth proportional to 84,889,369.80, 127,334,054.70 and 84,889,369.80 is: 127,334,054.70
Step by Step Solution
- Step 1: Write the proportion equation
84,889,369.80 : 127,334,054.70 = 84,889,369.80 : x - Step 2: Convert to fraction form
84,889,369.80/127,334,054.70 = 84,889,369.80/x - Step 3: Cross multiply
84,889,369.80x = 127,334,054.70 × 84,889,369.80 - Step 4: Simplify right side
84,889,369.80x = 10,809,307,657,561,728 - Step 5: Solve for x
x = 10,809,307,657,561,728/84,889,369.80 - Step 6: Final answer
x = 127,334,054.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.