Finding the Fourth Proportional to 80,849,023.80, 121,273,535.70 and 40,444,927.80
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Solution
The fourth proportional to 80,849,023.80, 121,273,535.70 and 40,444,927.80 is: 60,667,391.70
Step by Step Solution
- Step 1: Write the proportion equation
80,849,023.80 : 121,273,535.70 = 40,444,927.80 : x - Step 2: Convert to fraction form
80,849,023.80/121,273,535.70 = 40,444,927.80/x - Step 3: Cross multiply
80,849,023.80x = 121,273,535.70 × 40,444,927.80 - Step 4: Simplify right side
80,849,023.80x = 4,904,899,395,437,222 - Step 5: Solve for x
x = 4,904,899,395,437,222/80,849,023.80 - Step 6: Final answer
x = 60,667,391.70
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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.