Finding the Fourth Proportional to 56,382,975.20, 84,574,462.80 and 54,965,799.20
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Solution
The fourth proportional to 56,382,975.20, 84,574,462.80 and 54,965,799.20 is: 82,448,698.80
Step by Step Solution
- Step 1: Write the proportion equation
56,382,975.20 : 84,574,462.80 = 54,965,799.20 : x - Step 2: Convert to fraction form
56,382,975.20/84,574,462.80 = 54,965,799.20/x - Step 3: Cross multiply
56,382,975.20x = 84,574,462.80 × 54,965,799.20 - Step 4: Simplify right side
56,382,975.20x = 4,648,702,939,712,670 - Step 5: Solve for x
x = 4,648,702,939,712,670/56,382,975.20 - Step 6: Final answer
x = 82,448,698.80
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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.