Finding the Fourth Proportional to 112,331,121.60, 168,515,344.80 and 44,176,036.80
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Solution
The fourth proportional to 112,331,121.60, 168,515,344.80 and 44,176,036.80 is: 66,271,394.49
Step by Step Solution
- Step 1: Write the proportion equation
112,331,121.60 : 168,515,344.80 = 44,176,036.80 : x - Step 2: Convert to fraction form
112,331,121.60/168,515,344.80 = 44,176,036.80/x - Step 3: Cross multiply
112,331,121.60x = 168,515,344.80 × 44,176,036.80 - Step 4: Simplify right side
112,331,121.60x = 7,444,340,073,249,489 - Step 5: Solve for x
x = 7,444,340,073,249,489/112,331,121.60 - Step 6: Final answer
x = 66,271,394.49
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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.