Finding the Fourth Proportional to 127,525,949.98, 175,941,769.10 and 77,306,270.26
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Solution
The fourth proportional to 127,525,949.98, 175,941,769.10 and 77,306,270.26 is: 106,655,954.76
Step by Step Solution
- Step 1: Write the proportion equation
127,525,949.98 : 175,941,769.10 = 77,306,270.26 : x - Step 2: Convert to fraction form
127,525,949.98/175,941,769.10 = 77,306,270.26/x - Step 3: Cross multiply
127,525,949.98x = 175,941,769.10 × 77,306,270.26 - Step 4: Simplify right side
127,525,949.98x = 13,601,401,952,067,118 - Step 5: Solve for x
x = 13,601,401,952,067,118/127,525,949.98 - Step 6: Final answer
x = 106,655,954.76
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1.5x scale
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.