Finding the Fourth Proportional to 80,762,485.20, 121,143,727.80 and 37,617,349.20
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Solution
The fourth proportional to 80,762,485.20, 121,143,727.80 and 37,617,349.20 is: 56,426,023.80
Step by Step Solution
- Step 1: Write the proportion equation
80,762,485.20 : 121,143,727.80 = 37,617,349.20 : x - Step 2: Convert to fraction form
80,762,485.20/121,143,727.80 = 37,617,349.20/x - Step 3: Cross multiply
80,762,485.20x = 121,143,727.80 × 37,617,349.20 - Step 4: Simplify right side
80,762,485.20x = 4,557,105,912,042,348 - Step 5: Solve for x
x = 4,557,105,912,042,348/80,762,485.20 - Step 6: Final answer
x = 56,426,023.80
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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.