Finding the Fourth Proportional to 112,328,869.80, 168,493,304.70 and 27,228,325.80
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Solution
The fourth proportional to 112,328,869.80, 168,493,304.70 and 27,228,325.80 is: 40,842,488.70
Step by Step Solution
- Step 1: Write the proportion equation
112,328,869.80 : 168,493,304.70 = 27,228,325.80 : x - Step 2: Convert to fraction form
112,328,869.80/168,493,304.70 = 27,228,325.80/x - Step 3: Cross multiply
112,328,869.80x = 168,493,304.70 × 27,228,325.80 - Step 4: Simplify right side
112,328,869.80x = 4,587,790,595,490,271 - Step 5: Solve for x
x = 4,587,790,595,490,271/112,328,869.80 - Step 6: Final answer
x = 40,842,488.70
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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.