Finding the Fourth Proportional to 69,950,857.80, 104,926,286.70 and 22,081,801.80
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Solution
The fourth proportional to 69,950,857.80, 104,926,286.70 and 22,081,801.80 is: 33,122,702.70
Step by Step Solution
- Step 1: Write the proportion equation
69,950,857.80 : 104,926,286.70 = 22,081,801.80 : x - Step 2: Convert to fraction form
69,950,857.80/104,926,286.70 = 22,081,801.80/x - Step 3: Cross multiply
69,950,857.80x = 104,926,286.70 × 22,081,801.80 - Step 4: Simplify right side
69,950,857.80x = 2,316,961,466,519,376 - Step 5: Solve for x
x = 2,316,961,466,519,376/69,950,857.80 - Step 6: Final answer
x = 33,122,702.70
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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.