Finding the Fourth Proportional to 84,605,425.20, 126,908,137.80 and 24,021,151.20
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Solution
The fourth proportional to 84,605,425.20, 126,908,137.80 and 24,021,151.20 is: 36,031,726.80
Step by Step Solution
- Step 1: Write the proportion equation
84,605,425.20 : 126,908,137.80 = 24,021,151.20 : x - Step 2: Convert to fraction form
84,605,425.20/126,908,137.80 = 24,021,151.20/x - Step 3: Cross multiply
84,605,425.20x = 126,908,137.80 × 24,021,151.20 - Step 4: Simplify right side
84,605,425.20x = 3,048,479,566,604,235 - Step 5: Solve for x
x = 3,048,479,566,604,235/84,605,425.20 - Step 6: Final answer
x = 36,031,726.80
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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.