Finding the Fourth Proportional to 106,808,750.40, 160,213,125.60 and 66,497,966.40
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Solution
The fourth proportional to 106,808,750.40, 160,213,125.60 and 66,497,966.40 is: 99,746,949.60
Step by Step Solution
- Step 1: Write the proportion equation
106,808,750.40 : 160,213,125.60 = 66,497,966.40 : x - Step 2: Convert to fraction form
106,808,750.40/160,213,125.60 = 66,497,966.40/x - Step 3: Cross multiply
106,808,750.40x = 160,213,125.60 × 66,497,966.40 - Step 4: Simplify right side
106,808,750.40x = 10,653,847,042,987,780 - Step 5: Solve for x
x = 10,653,847,042,987,780/106,808,750.40 - Step 6: Final answer
x = 99,746,949.60
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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.