Finding the Fourth Proportional to 57,882,798.04, 79,879,197.20 and 31,779,722.20
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Solution
The fourth proportional to 57,882,798.04, 79,879,197.20 and 31,779,722.20 is: 43,856,530.48
Step by Step Solution
- Step 1: Write the proportion equation
57,882,798.04 : 79,879,197.20 = 31,779,722.20 : x - Step 2: Convert to fraction form
57,882,798.04/79,879,197.20 = 31,779,722.20/x - Step 3: Cross multiply
57,882,798.04x = 79,879,197.20 × 31,779,722.20 - Step 4: Simplify right side
57,882,798.04x = 2,538,538,696,575,018 - Step 5: Solve for x
x = 2,538,538,696,575,018/57,882,798.04 - Step 6: Final answer
x = 43,856,530.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.