Finding the Fourth Proportional to 154,426,722.99, 231,639,898.59 and 39,411,277.62
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Solution
The fourth proportional to 154,426,722.99, 231,639,898.59 and 39,411,277.62 is: 59,116,868.99
Step by Step Solution
- Step 1: Write the proportion equation
154,426,722.99 : 231,639,898.59 = 39,411,277.62 : x - Step 2: Convert to fraction form
154,426,722.99/231,639,898.59 = 39,411,277.62/x - Step 3: Cross multiply
154,426,722.99x = 231,639,898.59 × 39,411,277.62 - Step 4: Simplify right side
154,426,722.99x = 9,129,224,352,396,204 - Step 5: Solve for x
x = 9,129,224,352,396,204/154,426,722.99 - Step 6: Final answer
x = 59,116,868.99
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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.