Finding the Fourth Proportional to 80,474,130.80, 120,711,196.20 and 29,357,817.20
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Solution
The fourth proportional to 80,474,130.80, 120,711,196.20 and 29,357,817.20 is: 44,036,725.80
Step by Step Solution
- Step 1: Write the proportion equation
80,474,130.80 : 120,711,196.20 = 29,357,817.20 : x - Step 2: Convert to fraction form
80,474,130.80/120,711,196.20 = 29,357,817.20/x - Step 3: Cross multiply
80,474,130.80x = 120,711,196.20 × 29,357,817.20 - Step 4: Simplify right side
80,474,130.80x = 3,543,817,232,032,934.50 - Step 5: Solve for x
x = 3,543,817,232,032,934.50/80,474,130.80 - Step 6: Final answer
x = 44,036,725.80
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Similar ratio
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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.