Finding the Fourth Proportional to 168,058,599.12, 252,088,367.40 and 64,459,560.24
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Solution
The fourth proportional to 168,058,599.12, 252,088,367.40 and 64,459,560.24 is: 96,689,520.14
Step by Step Solution
- Step 1: Write the proportion equation
168,058,599.12 : 252,088,367.40 = 64,459,560.24 : x - Step 2: Convert to fraction form
168,058,599.12/252,088,367.40 = 64,459,560.24/x - Step 3: Cross multiply
168,058,599.12x = 252,088,367.40 × 64,459,560.24 - Step 4: Simplify right side
168,058,599.12x = 16,249,505,304,223,554 - Step 5: Solve for x
x = 16,249,505,304,223,554/168,058,599.12 - Step 6: Final answer
x = 96,689,520.14
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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.