Finding the Fourth Proportional to 79,655,201.20, 119,482,801.80 and 79,655,201.20
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Solution
The fourth proportional to 79,655,201.20, 119,482,801.80 and 79,655,201.20 is: 119,482,801.80
Step by Step Solution
- Step 1: Write the proportion equation
79,655,201.20 : 119,482,801.80 = 79,655,201.20 : x - Step 2: Convert to fraction form
79,655,201.20/119,482,801.80 = 79,655,201.20/x - Step 3: Cross multiply
79,655,201.20x = 119,482,801.80 × 79,655,201.20 - Step 4: Simplify right side
79,655,201.20x = 9,517,426,617,318,722 - Step 5: Solve for x
x = 9,517,426,617,318,722/79,655,201.20 - Step 6: Final answer
x = 119,482,801.80
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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.