Finding the Fourth Proportional to 79,885,425.30, 119,828,137.95 and 41,143,376.40
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Solution
The fourth proportional to 79,885,425.30, 119,828,137.95 and 41,143,376.40 is: 61,715,064.60
Step by Step Solution
- Step 1: Write the proportion equation
79,885,425.30 : 119,828,137.95 = 41,143,376.40 : x - Step 2: Convert to fraction form
79,885,425.30/119,828,137.95 = 41,143,376.40/x - Step 3: Cross multiply
79,885,425.30x = 119,828,137.95 × 41,143,376.40 - Step 4: Simplify right side
79,885,425.30x = 4,930,134,182,987,974 - Step 5: Solve for x
x = 4,930,134,182,987,974/79,885,425.30 - Step 6: Final answer
x = 61,715,064.60
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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.