Finding the Fourth Proportional to 83,414,948.80, 125,122,423.20 and 56,134,310.80
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Solution
The fourth proportional to 83,414,948.80, 125,122,423.20 and 56,134,310.80 is: 84,201,466.20
Step by Step Solution
- Step 1: Write the proportion equation
83,414,948.80 : 125,122,423.20 = 56,134,310.80 : x - Step 2: Convert to fraction form
83,414,948.80/125,122,423.20 = 56,134,310.80/x - Step 3: Cross multiply
83,414,948.80x = 125,122,423.20 × 56,134,310.80 - Step 4: Simplify right side
83,414,948.80x = 7,023,660,991,957,930 - Step 5: Solve for x
x = 7,023,660,991,957,930/83,414,948.80 - Step 6: Final answer
x = 84,201,466.20
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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.