Finding the Fourth Proportional to 213,403,485.80, 299,571,095.80 and 213,403,485.80
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Solution
The fourth proportional to 213,403,485.80, 299,571,095.80 and 213,403,485.80 is: 299,571,095.80
Step by Step Solution
- Step 1: Write the proportion equation
213,403,485.80 : 299,571,095.80 = 213,403,485.80 : x - Step 2: Convert to fraction form
213,403,485.80/299,571,095.80 = 213,403,485.80/x - Step 3: Cross multiply
213,403,485.80x = 299,571,095.80 × 213,403,485.80 - Step 4: Simplify right side
213,403,485.80x = 63,929,516,088,645,744 - Step 5: Solve for x
x = 63,929,516,088,645,744/213,403,485.80 - Step 6: Final answer
x = 299,571,095.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.